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Pedretti L, Leardini D, Muratore E, Capoferri G, Massa S, Rahman S, Esposito S, Masetti R. Managing the Risk of Foodborne Infections in Pediatric Patients with Cancer: Is the Neutropenic Diet Still an Option? Nutrients 2024; 16:966. [PMID: 38613000 PMCID: PMC11013746 DOI: 10.3390/nu16070966] [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: 02/07/2024] [Revised: 03/22/2024] [Accepted: 03/26/2024] [Indexed: 04/14/2024] Open
Abstract
Infections pose a significant threat to morbidity and mortality during treatments for pediatric cancer patients. Efforts to minimize the risk of infection necessitate preventive measures encompassing both environmental and host-focused strategies. While a substantial number of infections in oncologic patients originate from microorganisms within their native microbiological environment, such as the oral cavity, intestines, and skin, the concrete risk of bloodstream infections linked to the consumption of contaminated food and beverages in the community cannot be overlooked. Ensuring food quality and hygiene is essential to mitigating the impact of foodborne illnesses on vulnerable patients. The neutropenic diet (ND) has been proposed to minimize the risk of sepsis during neutropenic periods. The ND aims to minimize bacterial entry into the gut and bacterial translocation. However, a standardized definition for ND and consensus guidelines for specific food exclusions are lacking. Most centers adopt ND during neutropenic phases, but challenges in achieving caloric intake are common. The ND has not demonstrated any associated benefits and does not ensure improved overall survival. Consequently, providing unified and standardized food safety instructions is imperative for pediatric patients undergoing hematopoietic cell transplantation (HCT). Despite the lack of evidence, ND is still widely administered to both pediatric and adult patients as a precautionary measure. This narrative review focuses on the impact of foodborne infections in pediatric cancer patients and the role of the ND in comparison to food safety practices in patients undergoing chemotherapy or HCT. Prioritizing education regarding proper food storage, preparation, and cooking techniques proves more advantageous than merely focusing on dietary limitations. The absence of standardized guidelines underscores the necessity for further research in this field.
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Affiliation(s)
- Laura Pedretti
- Pediatric Clinic, University Hospital, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (L.P.); (G.C.); (S.M.); (S.R.)
| | - Davide Leardini
- Pediatric Hematology and Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (D.L.); (E.M.); (R.M.)
| | - Edoardo Muratore
- Pediatric Hematology and Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (D.L.); (E.M.); (R.M.)
| | - Gaia Capoferri
- Pediatric Clinic, University Hospital, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (L.P.); (G.C.); (S.M.); (S.R.)
| | - Serena Massa
- Pediatric Clinic, University Hospital, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (L.P.); (G.C.); (S.M.); (S.R.)
| | - Sofia Rahman
- Pediatric Clinic, University Hospital, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (L.P.); (G.C.); (S.M.); (S.R.)
| | - Susanna Esposito
- Pediatric Clinic, University Hospital, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (L.P.); (G.C.); (S.M.); (S.R.)
| | - Riccardo Masetti
- Pediatric Hematology and Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (D.L.); (E.M.); (R.M.)
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Li A, Bowen JM, Ball IA, Wilson S, Yong A, Yeung DT, Lee CH, Bryant RV, Costello SP, Ryan FJ, Wardill HR. Autologous Faecal Microbiota Transplantation to Improve Outcomes of Haematopoietic Stem Cell Transplantation: Results of a Single-Centre Feasibility Study. Biomedicines 2023; 11:3274. [PMID: 38137495 PMCID: PMC10741751 DOI: 10.3390/biomedicines11123274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 12/01/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
Haematopoietic stem cell transplantation (HSCT) is a curative approach for blood cancers, yet its efficacy is undermined by a range of acute and chronic complications. In light of mounting evidence to suggest that these complications are linked to a dysbiotic gut microbiome, we aimed to evaluate the feasibility of faecal microbiota transplantation (FMT) delivered during the acute phase after HSCT. Of note, this trial opted for FMT prepared using the individual's own stool (autologous FMT) to mitigate the risks of disease transmission from a donor stool. Adults (>18 years) with multiple myeloma were recruited from a single centre. The stool was collected prior to starting first line therapy. Patients who progressed to HSCT were offered FMT via 3 × retention enemas before day +5 (HSCT = day 0). The feasibility was determined by the recruitment rate, number and volume of enemas administered, and the retention time. Longitudinally collected stool samples were also collected to explore the influence of auto-FMT using 16S rRNA gene sequencing. n = 4 (2F:2M) participants received auto-FMT in 12 months. Participants received an average of 2.25 (1-3) enemas 43.67 (25-50) mL total, retained for an average of 60.78 (10-145) min. No adverse events (AEs) attributed to the FMT were identified. Although the minimum requirements were met for the volume and retention of auto-FMT, the recruitment was significantly impacted by the logistical challenges of the pretherapy stool collection. This ultimately undermined the feasibility of this trial and suggests that third party (donor) FMT should be prioritised.
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Affiliation(s)
- Anna Li
- School of Biomedicine, The University of Adelaide, Adelaide, SA 5000, Australia; (A.L.); (J.M.B.)
- Supportive Oncology Research Group, Precision Cancer Medicine, The South Australian Health and Medical Research Institute, Adelaide, SA 5001, Australia
| | - Joanne M. Bowen
- School of Biomedicine, The University of Adelaide, Adelaide, SA 5000, Australia; (A.L.); (J.M.B.)
| | - Imogen A. Ball
- Department of Gastroenterology, Basil Hetzel Institute, The Queen Elizabeth Hospital, Adelaide, SA 5011, Australia; (I.A.B.); (R.V.B.); (S.P.C.)
| | - Sophie Wilson
- Department of Haematology, The Royal Adelaide Hospital, SA Health, Adelaide, SA 5000, Australia; (S.W.); (A.Y.); (D.T.Y.); (C.H.L.)
| | - Angelina Yong
- Department of Haematology, The Royal Adelaide Hospital, SA Health, Adelaide, SA 5000, Australia; (S.W.); (A.Y.); (D.T.Y.); (C.H.L.)
| | - David T. Yeung
- Department of Haematology, The Royal Adelaide Hospital, SA Health, Adelaide, SA 5000, Australia; (S.W.); (A.Y.); (D.T.Y.); (C.H.L.)
| | - Cindy H. Lee
- Department of Haematology, The Royal Adelaide Hospital, SA Health, Adelaide, SA 5000, Australia; (S.W.); (A.Y.); (D.T.Y.); (C.H.L.)
| | - Robert V. Bryant
- Department of Gastroenterology, Basil Hetzel Institute, The Queen Elizabeth Hospital, Adelaide, SA 5011, Australia; (I.A.B.); (R.V.B.); (S.P.C.)
| | - Samuel P. Costello
- Department of Gastroenterology, Basil Hetzel Institute, The Queen Elizabeth Hospital, Adelaide, SA 5011, Australia; (I.A.B.); (R.V.B.); (S.P.C.)
| | - Feargal J. Ryan
- College of Medicine and Public Health, Flinders University, Bedford Park, SA 5042, Australia;
- Lynn Systems Immunology Group, Computational and Systems Biology Program, Precision Cancer Medicine, The South Australian Health and Medical Research Institute, Adelaide, SA 5001, Australia
| | - Hannah R. Wardill
- School of Biomedicine, The University of Adelaide, Adelaide, SA 5000, Australia; (A.L.); (J.M.B.)
- Supportive Oncology Research Group, Precision Cancer Medicine, The South Australian Health and Medical Research Institute, Adelaide, SA 5001, Australia
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Masetti R, Leardini D, Muratore E, Fabbrini M, D’Amico F, Zama D, Baccelli F, Gottardi F, Belotti T, Ussowicz M, Fraczkiewicz J, Cesaro S, Zecca M, Merli P, Candela M, Pession A, Locatelli F, Prete A, Brigidi P, Turroni S. Gut microbiota diversity before allogeneic hematopoietic stem cell transplantation as a predictor of mortality in children. Blood 2023; 142:1387-1398. [PMID: 37856089 PMCID: PMC10651870 DOI: 10.1182/blood.2023020026] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 06/16/2023] [Indexed: 10/20/2023] Open
Abstract
The correlation existing between gut microbiota diversity and survival after allogeneic hematopoietic stem cell transplantation (allo-HSCT) has so far been studied in adults. Pediatric studies question whether this association applies to children as well. Stool samples from a multicenter cohort of 90 pediatric allo-HSCT recipients were analyzed using 16S ribosomal RNA amplicon sequencing to profile the gut microbiota and estimate diversity with the Shannon index. A global-to-local networking approach was used to characterize the ecological structure of the gut microbiota. Patients were stratified into higher- and lower-diversity groups at 2 time points: before transplantation and at neutrophil engraftment. The higher-diversity group before transplantation exhibited a higher probability of overall survival (88.9% ± 5.7% standard error [SE] vs 62.7% ± 8.2% SE; P = .011) and lower incidence of grade 2 to 4 and grade 3 to 4 acute graft-versus-host disease (aGVHD). No significant difference in relapse-free survival was observed between the 2 groups (80.0% ± 6.0% SE vs 55.4% ± 10.8% SE; P = .091). The higher-diversity group was characterized by higher relative abundances of potentially health-related microbial families, such as Ruminococcaceae and Oscillospiraceae. In contrast, the lower-diversity group showed an overabundance of Enterococcaceae and Enterobacteriaceae. Network analysis detected short-chain fatty acid producers, such as Blautia, Faecalibacterium, Roseburia, and Bacteroides, as keystones in the higher-diversity group. Enterococcus, Escherichia-Shigella, and Enterobacter were instead the keystones detected in the lower-diversity group. These results indicate that gut microbiota diversity and composition before transplantation correlate with survival and with the likelihood of developing aGVHD.
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Affiliation(s)
- Riccardo Masetti
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Davide Leardini
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Edoardo Muratore
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Marco Fabbrini
- Department of Medical and Surgical Sciences, Microbiomics Unit, University of Bologna, Bologna, Italy
- Department of Pharmacy and Biotechnology, Unit of Microbiome Science and Biotechnology, University of Bologna, Bologna, Italy
| | - Federica D’Amico
- Department of Medical and Surgical Sciences, Microbiomics Unit, University of Bologna, Bologna, Italy
| | - Daniele Zama
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
- Pediatric Emergency Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Francesco Baccelli
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Francesca Gottardi
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Tamara Belotti
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Marek Ussowicz
- Department and Clinic of Pediatric Oncology, Hematology and Bone Marrow Transplantation, Wrocław Medical University, Wrocław, Poland
| | - Jowita Fraczkiewicz
- Department and Clinic of Pediatric Oncology, Hematology and Bone Marrow Transplantation, Wrocław Medical University, Wrocław, Poland
| | - Simone Cesaro
- Department of Mother and Child, Pediatric Hematology Oncology Unit, Azienda Ospedaliera Universitaria Integrata, Verona, Italy
| | - Marco Zecca
- Pediatric Hematology/Oncology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Pietro Merli
- Department of Pediatric Hematology and Oncology, Bambino Gesù Children’s Hospital, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
| | - Marco Candela
- Department of Pharmacy and Biotechnology, Unit of Microbiome Science and Biotechnology, University of Bologna, Bologna, Italy
| | - Andrea Pession
- Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Franco Locatelli
- Department of Pediatric Hematology and Oncology, Bambino Gesù Children’s Hospital, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
- Catholic University of the Sacred Heart, Rome, Italy
| | - Arcangelo Prete
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Patrizia Brigidi
- Department of Medical and Surgical Sciences, Microbiomics Unit, University of Bologna, Bologna, Italy
| | - Silvia Turroni
- Department of Pharmacy and Biotechnology, Unit of Microbiome Science and Biotechnology, University of Bologna, Bologna, Italy
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O’Reilly C, Mills S, Rea MC, Lavelle A, Ghosh S, Hill C, Ross RP. Interplay between inflammatory bowel disease therapeutics and the gut microbiome reveals opportunities for novel treatment approaches. MICROBIOME RESEARCH REPORTS 2023; 2:35. [PMID: 37849974 PMCID: PMC7615213 DOI: 10.20517/mrr.2023.41] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 09/19/2023] [Accepted: 09/22/2023] [Indexed: 10/19/2023]
Abstract
Inflammatory bowel disease (IBD) is a complex heterogeneous disorder defined by recurring chronic inflammation of the gastrointestinal tract, attributed to a combination of factors including genetic susceptibility, altered immune response, a shift in microbial composition/microbial insults (infection/exposure), and environmental influences. Therapeutics generally used to treat IBD mainly focus on the immune response and include non-specific anti-inflammatory and immunosuppressive therapeutics and targeted therapeutics aimed at specific components of the immune system. Other therapies include exclusive enteral nutrition and emerging stem cell therapies. However, in recent years, scientists have begun to examine the interplay between these therapeutics and the gut microbiome, and we present this information here. Many of these therapeutics are associated with alterations to gut microbiome composition and functionality, often driving it toward a "healthier profile" and preclinical studies have revealed that such alterations can play an important role in therapeutic efficacy. The gut microbiome can also improve or hinder IBD therapeutic efficacy or generate undesirable metabolites. For certain IBD therapeutics, the microbiome composition, particularly before treatment, may serve as a biomarker of therapeutic efficacy. Utilising this information and manipulating the interactions between the gut microbiome and IBD therapeutics may enhance treatment outcomes in the future and bring about new opportunities for personalised, precision medicine.
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Affiliation(s)
- Catherine O’Reilly
- Food Biosciences Department, Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork P61C996, Ireland
- Microbiology Department, University College Cork, Co. Cork T12TP07, Ireland
- APC Microbiome Ireland, University College Cork, Co. Cork T12YT20, Ireland
- Authors contributed equally
| | - Susan Mills
- APC Microbiome Ireland, University College Cork, Co. Cork T12YT20, Ireland
- Authors contributed equally
| | - Mary C. Rea
- Food Biosciences Department, Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork P61C996, Ireland
- APC Microbiome Ireland, University College Cork, Co. Cork T12YT20, Ireland
| | - Aonghus Lavelle
- APC Microbiome Ireland, University College Cork, Co. Cork T12YT20, Ireland
| | - Subrata Ghosh
- APC Microbiome Ireland, University College Cork, Co. Cork T12YT20, Ireland
| | - Colin Hill
- Microbiology Department, University College Cork, Co. Cork T12TP07, Ireland
- APC Microbiome Ireland, University College Cork, Co. Cork T12YT20, Ireland
| | - R. Paul Ross
- Microbiology Department, University College Cork, Co. Cork T12TP07, Ireland
- APC Microbiome Ireland, University College Cork, Co. Cork T12YT20, Ireland
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Mendes I, Vale N. How Can the Microbiome Induce Carcinogenesis and Modulate Drug Resistance in Cancer Therapy? Int J Mol Sci 2023; 24:11855. [PMID: 37511612 PMCID: PMC10380870 DOI: 10.3390/ijms241411855] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/18/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023] Open
Abstract
Over the years, cancer has been affecting the lives of many people globally and it has become one of the most studied diseases. Despite the efforts to understand the cell mechanisms behind this complex disease, not every patient seems to respond to targeted therapies or immunotherapies. Drug resistance in cancer is one of the limiting factors contributing to unsuccessful therapies; therefore, understanding how cancer cells acquire this resistance is essential to help cure individuals affected by cancer. Recently, the altered microbiome was observed to be an important hallmark of cancer and therefore it represents a promising topic of cancer research. Our review aims to provide a global perspective of some cancer hallmarks, for instance how genetic and epigenetic modifications may be caused by an altered human microbiome. We also provide information on how an altered human microbiome can lead to cancer development as well as how the microbiome can influence drug resistance and ultimately targeted therapies. This may be useful to develop alternatives for cancer treatment, i.e., future personalized medicine that can help in cases where traditional cancer treatment is unsuccessful.
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Affiliation(s)
- Inês Mendes
- OncoPharma Research Group, Center for Health Technology and Services Research (CINTESIS), Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal;
- CINTESIS@RISE, Faculty of Medicine, University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
- School of Life and Environmental Sciences, University of Trás-os-Montes and Alto Douro (UTAD), Edifício de Geociências, 5000-801 Vila Real, Portugal
| | - Nuno Vale
- OncoPharma Research Group, Center for Health Technology and Services Research (CINTESIS), Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal;
- CINTESIS@RISE, Faculty of Medicine, University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
- Department of Community Medicine, Information and Health Decision Sciences (MEDCIDS), Faculty of Medicine, University of Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
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Molecular Advances in Sinusoidal Obstruction Syndrome/Veno-Occlusive Disease. Int J Mol Sci 2023; 24:ijms24065620. [PMID: 36982695 PMCID: PMC10051970 DOI: 10.3390/ijms24065620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 03/07/2023] [Accepted: 03/11/2023] [Indexed: 03/17/2023] Open
Abstract
Sinusoidal obstruction syndrome/veno-occlusive disease (SOS/VOD) detected in the liver has been considered a severe complication of hematopoietic stem cell transplantation (HSCT). SOS/VOD is characterized by hepatomegaly, right upper quadrant pain, jaundice, and ascites. The severe forms of the disease may result in multi-organ dysfunction (MOD) with a high mortality rate (>80%). The development of SOS/VOD can be rapid and unpredictable. Therefore, early identification and severity assessment is crucial in facilitating prompt diagnosis and timely treatment. Effective treatment and potential prophylaxis with defibrotide highlight the need for characterizing a sub-group of patients at high risk for SOS/VOD. Moreover, antibodies that are conjugated with calicheamicin, gemtuzumab, and inotuzumab ozogamicin, have led to renewed interest in this syndrome. Evaluation and management of serious adverse events associated with gemtuzumab and inotuzumab ozogamicin are recommended. We review hepatic-, transplant- and patient-related risk factors, criteria for diagnosis and grading classification, and SOS/VOD potential biomarkers. Furthermore, we examine pathogenesis, clinical presentation, diagnostic criteria, risk factors, prophylaxis, and treatment of SOS/VOD occurring post HSCT. Moreover, we aim to provide an up-to-date summary of molecular advances in the diagnosis and management of SOS/VOD. We performed a comprehensive review of the literature and examined the recently available data, mostly using the PubMed and Medline search engines for original articles published over the last decade. In the era of precision medicine, our review provides up-to-date knowledge of genetic or sera markers for SOS/VOD with the goal of identifying a subset of high-risk patients.
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Pandrowala A, Sharma AN, Mudaliar S, Chavan S, Karkera P, Bendre P, Ganatra P, Bodhanwala M, Agarwal B, Hiwarkar P. Haploidentical hematopoietic cell transplant for severe aplastic anemia in children with carbapenem-resistant enterocolitis. Pediatr Hematol Oncol 2022; 39:762-768. [PMID: 35502913 DOI: 10.1080/08880018.2022.2062079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Ambreen Pandrowala
- Department of Blood and Marrow Transplantation, Bai Jerbai Wadia Hospital for Children, Mumbai, India
| | - Ajay Narayan Sharma
- Department of Blood and Marrow Transplantation, Bai Jerbai Wadia Hospital for Children, Mumbai, India
| | - Sangeeta Mudaliar
- Department of Pediatric Haematology-oncology, Bai Jerbai Wadia Hospital for Children, Mumbai, India
| | - Saroj Chavan
- Department of Pediatric Radiology, Bai Jerbai Wadia Hospital for Children, Mumbai, India
| | - Parag Karkera
- Department of Pediatric Surgery, Bai Jerbai Wadia Hospital for Children, Mumbai, India
| | - Pradnya Bendre
- Department of Pediatric Surgery, Bai Jerbai Wadia Hospital for Children, Mumbai, India
| | - Parth Ganatra
- Department of Blood and Marrow Transplantation, Bai Jerbai Wadia Hospital for Children, Mumbai, India
| | - Minnie Bodhanwala
- Department of Pediatrics, Bai Jerbai Wadia Hospital for Children, Mumbai, India
| | - Bharat Agarwal
- Department of Blood and Marrow Transplantation, Bai Jerbai Wadia Hospital for Children, Mumbai, India.,Department of Pediatric Haematology-oncology, Bai Jerbai Wadia Hospital for Children, Mumbai, India
| | - Prashant Hiwarkar
- Department of Blood and Marrow Transplantation, Bai Jerbai Wadia Hospital for Children, Mumbai, India
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Thompson JC, Ren Y, Romero K, Lew M, Bush AT, Messina JA, Jung SH, Siamakpour-Reihani S, Miller J, Jenq RR, Peled JU, van den Brink MRM, Chao NJ, Shrime MG, Sung AD. Financial incentives to increase stool collection rates for microbiome studies in adult bone marrow transplant patients. PLoS One 2022; 17:e0267974. [PMID: 35507633 PMCID: PMC9067695 DOI: 10.1371/journal.pone.0267974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 04/19/2022] [Indexed: 01/29/2023] Open
Abstract
INTRODUCTION In order to study the role of the microbiome in hematopoietic stem cell transplantation (HCT), researchers collect stool samples from patients at various time points throughout HCT. However, stool collection requires active subject participation and may be limited by patient reluctance to handling stool. METHODS We performed a prospective study on the impact of financial incentives on stool collection rates. The intervention group consisted of allogeneic HCT patients from 05/2017-05/2018 who were compensated with a $10 gas gift card for each stool sample. The intervention group was compared to a historical control group of allogeneic HCT patients from 11/2016-05/2017 who provided stool samples before the incentive was implemented. To control for possible changes in collections over time, we also compared a contemporaneous control group of autologous HCT patients from 05/2017-05/2018 with a historical control group of autologous HCT patients from 11/2016-05/2017; neither autologous HCT group was compensated. The collection rate was defined as the number of samples provided divided by the number of time points we attempted to obtain stool. RESULTS There were 35 allogeneic HCT patients in the intervention group, 19 allogeneic HCT patients in the historical control group, 142 autologous HCT patients in the contemporaneous control group (that did not receive a financial incentive), and 75 autologous HCT patients in the historical control group. Allogeneic HCT patients in the intervention group had significantly higher average overall collection rates when compared to the historical control group allogeneic HCT patients (80% vs 37%, p<0.0001). There were no significant differences in overall average collection rates between the autologous HCT patients in the contemporaneous control and historical control groups (36% vs 32%, p = 0.2760). CONCLUSION Our results demonstrate that a modest incentive can significantly increase collection rates. These results may help to inform the design of future studies involving stool collection.
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Affiliation(s)
- Jillian C. Thompson
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, North Carolina, United States of America
| | - Yi Ren
- Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, North Carolina, United States of America
| | - Kristi Romero
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, North Carolina, United States of America
| | - Meagan Lew
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, North Carolina, United States of America
| | - Amy T. Bush
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, North Carolina, United States of America
| | - Julia A. Messina
- Division of Infectious Diseases, Duke University School of Medicine, Durham, North Carolina, United States of America
| | - Sin-Ho Jung
- Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, North Carolina, United States of America
| | - Sharareh Siamakpour-Reihani
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, North Carolina, United States of America
| | - Julie Miller
- Center for Advanced Hindsight, Duke University School of Medicine, Durham, North Carolina, United States of America
| | - Robert R. Jenq
- Departments of Genomic Medicine and Stem Cell Transplantation Cellular Therapy, MD Anderson Cancer Center, University of Texas, Houston, Texas, United States of America
| | - Jonathan U. Peled
- Department of Medicine, Adult Bone Marrow Transplant Service, Memorial Sloan Kettering Cancer Center, New York, New York, United States of America
| | - Marcel R. M. van den Brink
- Department of Medicine, Adult Bone Marrow Transplant Service, Memorial Sloan Kettering Cancer Center, New York, New York, United States of America
| | - Nelson J. Chao
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, North Carolina, United States of America
| | - Mark G. Shrime
- Department of Otolaryngology Head and Neck Surgery, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Anthony D. Sung
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, North Carolina, United States of America
- * E-mail:
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Jing J, Zhang L, Han L, Wang J, Zhang W, Liu Z, Gao A. Polystyrene micro-/nanoplastics induced hematopoietic damages via the crosstalk of gut microbiota, metabolites, and cytokines. ENVIRONMENT INTERNATIONAL 2022; 161:107131. [PMID: 35149446 DOI: 10.1016/j.envint.2022.107131] [Citation(s) in RCA: 51] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 01/29/2022] [Accepted: 02/02/2022] [Indexed: 06/14/2023]
Abstract
Micro-/nanoplastics (MNPLs), novel environmental pollutants, widely exist in the environment and life and bring health risks. Previous studies have shown that NMPLs can penetrate bone marrow, but whether they cause hematopoietic damage remains uncertain. In this study, C57BL/6J mice were treated with polystyrene MNPLs (PS-MNPLs, 10 μm, 5 μm and 80 nm) at 60 μg doses for 42 days by intragastric administration. We evaluated the hematopoietic toxicity induced by MNPLs and potential mechanisms via combining 16S rRNA, metabolomics, and cytokine chips. The results demonstrated that PS-MNPLs induced hematopoietic toxicity, which was manifested by the disorder of bone marrow cell arrangement, the reduction in colony-forming, self-renewal and differentiation capacity, and the increased proportion of lymphocytes. PS-MNPLs also disrupted the homeostasis of the gut microbiota, metabolism, and inflammation, all of which were correlated with hematotoxicity, suggesting that abnormal gut microbiota-metabolite-cytokine axes might be the crucial pathways in MNPLs-induced hematopoietic injury. In conclusion, our study systematically demonstrated that multi-scale PS-MNPLs induced hematopoietic toxicity via the crosstalk of gut microbiota, metabolites, and cytokines and provided valuable insights into MNPLs toxicity, which was conducive to health risk assessment and informed policy decisions regarding PS-MNPLs.
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Affiliation(s)
- Jiaru Jing
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing 10069, PR China
| | - Lei Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Lin Han
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Jingyu Wang
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Wei Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Ziyan Liu
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Ai Gao
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China.
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10
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Gut microbiome in pediatric acute leukemia: from predisposition to cure. Blood Adv 2021; 5:4619-4629. [PMID: 34610115 PMCID: PMC8759140 DOI: 10.1182/bloodadvances.2021005129] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 08/25/2021] [Indexed: 01/02/2023] Open
Abstract
The gut microbiome (GM) has emerged as a key factor in the genesis and progression of many diseases. The intestinal bacterial composition also influences treatment-related side effects and even the efficacy of oncological therapies. Acute leukemia (AL) is the most common cancer among children and the most frequent cause of cancer-related death during childhood. Outcomes have improved considerably over the past 4 decades, with the current long-term survival for acute lymphoblastic leukemia being ∼90%. However, several acute toxicities and long-term sequelae are associated with the multimodal therapy protocols applied in these patients. Specific GM configurations could contribute to the multistep developmental hypothesis for leukemogenesis. Moreover, GM alterations occur during the AL therapeutic course and are associated with treatment-related complications, especially during hematopoietic stem cell transplantation. The GM perturbation could last even after the removal of microbiome-modifying factors, like antibiotics, chemotherapeutic drugs, or alloimmune reactions, contributing to several health-related issues in AL survivors. The purpose of this article is to provide a comprehensive review of the chronological changes of GM in children with AL, from predisposition to cure. The underpinning biological processes and the potential interventions to modulate the GM toward a potentially health-promoting configuration are also highlighted.
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11
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Kaźmierczak-Siedlecka K, Skonieczna-Żydecka K, Biliński J, Roviello G, Iannone LF, Atzeni A, Sobocki BK, Połom K. Gut Microbiome Modulation and Faecal Microbiota Transplantation Following Allogenic Hematopoietic Stem Cell Transplantation. Cancers (Basel) 2021; 13:cancers13184665. [PMID: 34572894 PMCID: PMC8464896 DOI: 10.3390/cancers13184665] [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: 07/31/2021] [Revised: 09/07/2021] [Accepted: 09/15/2021] [Indexed: 12/12/2022] Open
Abstract
Nowadays, allogenic hematopoietic stem cell transplantation (allo-HSCT) is a curative therapy that is mainly recommended for hematologic malignancies. However, complications (such as graft-versus-host disease, mucositis, disease relapse, and infections) associated with the HSCT procedure contribute to the development of gut microbiota imbalance, gut-barrier disruption, and increased intestinal permeability. In the present narrative review, the crosstalk between gut microbiota products and intestinal homeostasis is discussed. Notably, gut-microbiota-related aspects have an impact on patients' clinical outcomes and overall survival. In accordance with the most recent published data, gut microbiota is crucial for the treatment effectiveness of many diseases, not only gastrointestinal cancers but also hematologic malignancies. Therefore, it is necessary to indicate a therapeutic method allowing to modulate gut microbiota in HSCT recipients. Currently, fecal microbiota transplantation (FMT) is the most innovative method used to alter/restore gut microbiota composition, as well as modulate its activity. Despite the fact that some previous data have shown promising results, the knowledge regarding FMT in HSCT is still strongly limited, except for the treatment of Clostridium difficile infection. Additionally, administration of prebiotics, probiotics, synbiotics, and postbiotics can also modify gut microbiota; however, this strategy should be considered carefully due to the high risk of fungemia/septicemia (especially in case of fungal probiotics).
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Affiliation(s)
| | - Karolina Skonieczna-Żydecka
- Department of Biochemical Sciences, Pomeranian Medical University in Szczecin, Broniewskiego 24, 71-460 Szczecin, Poland;
| | - Jarosław Biliński
- Department of Hematology, Transplantology and Internal Medicine, Medical University of Warsaw, 02-097 Warszawa, Poland;
| | - Giandomenico Roviello
- Department of Health Sciences, Section of Clinical Pharmacology and Oncology, University of Florence, 50139 Florence, Italy;
| | - Luigi Francesco Iannone
- Department of Health Science, University “Magna Graecia” of Catanzaro, 88100 Catanzaro, Italy;
| | - Alessandro Atzeni
- Human Nutrition Unit, Department of Biochemistry and Biotechnology, Rovira i Virgili University, Faculty of Medicine and Health Sciences, Campus Vapor Vell, 43210 Reus, Spain;
| | - Bartosz Kamil Sobocki
- International Research Agenda 3P—Medicine Laboratory, Medical University of Gdansk, 80-214 Gdańsk, Poland;
| | - Karol Połom
- Department of Surgical Oncology, Medical University of Gdansk, 80-214 Gdańsk, Poland;
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12
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High Throughput Analysis Reveals Changes in Gut Microbiota and Specific Fecal Metabolomic Signature in Hematopoietic Stem Cell Transplant Patients. Microorganisms 2021; 9:microorganisms9091845. [PMID: 34576740 PMCID: PMC8469814 DOI: 10.3390/microorganisms9091845] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 08/02/2021] [Accepted: 08/23/2021] [Indexed: 12/29/2022] Open
Abstract
There is mounting evidence for the emerging role of gut microbiota (GM) and its metabolites in profoundly impacting allogenic hematopoietic stem cell transplantation (allo-HSCT) and its subsequent complications, mainly infections and graft versus host-disease (GvHD). The present study was performed in order to investigate changes in GM composition and fecal metabolic signature between transplant patients (n = 15) and healthy controls (n = 18). The intestinal microbiota was characterized by NGS and gas chromatography-mass spectrometry was employed to perform untargeted analysis of fecal metabolites. We found lower relative abundances of Actinobacteria, Firmicutes, and Bacteroidetes and a higher abundance of Proteobacteria phylum after allo-HSCT. Particularly, the GvHD microbiota was characterized by a lower relative abundance of the short-chain fatty acid-producing bacteria, namely, the Feacalibacterium, Akkermansia, and Veillonella genera and the Lachnospiraceae family, and an enrichment in multidrug-resistant bacteria belonging to Escherichia, Shigella, and Bacteroides. Moreover, network analysis showed that GvHD was linked to a higher number of positive interactions of Blautia and a significant mutual-exclusion rate of Citrobacter. The fecal metabolome was dominated by lipids in the transplant group when compared with the healthy individuals (p < 0.05). Overall, 76 metabolites were significantly altered within transplant recipients, of which 24 were selected as potential biomarkers. Furthermore, the most notable altered metabolic pathways included the TCA cycle; butanoate, propanoate, and pyruvate metabolisms; steroid biosynthesis; and glycolysis/gluconeogenesis. Specific biomarkers and altered metabolic pathways were correlated to GvHD onset. Our results showed significant shifts in gut microbiota structure and fecal metabolites characterizing allo-HSCT.
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13
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Early modifications of the gut microbiome in children with hepatic sinusoidal obstruction syndrome after hematopoietic stem cell transplantation. Sci Rep 2021; 11:14307. [PMID: 34253759 PMCID: PMC8275574 DOI: 10.1038/s41598-021-93571-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 06/25/2021] [Indexed: 01/04/2023] Open
Abstract
Hepatic sinusoidal obstruction syndrome (SOS/VOD) represents a dramatic complication of hematopoietic stem cell transplantation (HSCT), particularly in children. Recent evidence has suggested a role for the gut microbiome (GM) in the context of HSCT and its related complications, but no data are available on the relationship between GM and SOS/VOD. Here, we conducted a retrospective case–control study in allo-HSCT pediatric patients developing or not SOS/VOD and profiled their GM over time, from before the transplant up to 72 days after. A rich and diverse GM before HSCT was found to be associated with a reduced likelihood of developing SOS/VOD. Furthermore, prior to transplant, patients not developing SOS/VOD showed an enrichment in some typically health-associated commensals, such as Bacteroides, Ruminococcaceae and Lachnospiraceae. Their levels remained overall higher until post-transplant. This high-diversity configuration resembles that described in other studies for other HSCT-related complications, including graft-versus-host disease, potentially representing a common protective GM feature against HSCT complications.
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14
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Lee MW, Yeon SH, Heo BY, Kwon J, Ryu H, Lee HJ, Yun HJ, Jo DY, Song IC. Impact of pre-transplant use of antibiotics on the graft-versus-host disease in adult patients with hematological malignancies. ACTA ACUST UNITED AC 2021; 26:96-102. [PMID: 33459581 DOI: 10.1080/16078454.2021.1872957] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVES Changes in fecal microbiota affect the incidence and extent of graft-versus-host disease (GVHD) after allogeneic hematopoietic stem cell transplantation (HSCT). Most patients with hematological malignancies receive antibiotics for the treatment of febrile neutropenia prior to allogeneic HSCT, and pre-transplant use of antibiotics may influence the fecal microbiota and GVHD. METHODS We retrospectively analysed consecutive adult patients with hematological malignancies who received allogeneic HSCT at Chungnam National University Hospital between 2007 and 2018. Pre-transplant use of antibiotics was defined as the use of antibiotics before conditioning chemotherapy. RESULTS This study included 131 patients with a median age of 46 (range, 18-71) years: 76 (58%) patients were AML, 28 (21.4%) with ALL, 23 (17.6%) with MDS, and 4 (3.1%) with CML. All patients received calcineurin inhibitors with short-course methotrexate for GVHD prophylaxis. A total of 31 (23.7%) patients received anti-thymocyte globulin. All patients received antibiotics prior to HSCT: 70 (53.4%) patients received glycopeptide, 114 (87.0%) received cefepime, 87 (66.4%) received piperacillin/tazobactam, and 51 (38.9%) received carbapenem. Patients who received glycopeptide had more frequently extensive chronic GVHD (cGVHD) than those who did not (51.1% vs. 28.1% at 5 years) and had more frequently cGVHD of the lung (34.8% vs. 15.8% at 5 years). Pre-transplant use of glycopeptide did not affect the overall survival (OS) or GVHD- and relapse-free survival (GRFS) (median OS; 49 months in glycopeptide group vs. not reached in non-glycopeptide group, p=0.475; median GRFS; 9 months in glycopeptide group vs. 16 months in non-glycopeptide group, p=0.092). CONCLUSION Pre-transplant use of glycopeptide tends to increase the incidence of extensive cGVHD.
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Affiliation(s)
- Myung-Won Lee
- Department of Internal Medicine and Center of Hematopoietic stem cell transplantation, Chungnam National University Hospital, Daejeon, South Korea.,Center of Hematopoietic stem cell transplantation, Chungnam National University Hospital, Daejeon, South Korea
| | - Sang-Hoon Yeon
- Department of Internal Medicine and Center of Hematopoietic stem cell transplantation, Chungnam National University Hospital, Daejeon, South Korea
| | - Bu-Yeon Heo
- Department of Infection Biology, College of Medicine, Chungnam National University, Daejeon, South Korea
| | - Jaeyul Kwon
- Department of Infection Biology, College of Medicine, Chungnam National University, Daejeon, South Korea
| | - Hyewon Ryu
- Department of Internal Medicine and Center of Hematopoietic stem cell transplantation, Chungnam National University Hospital, Daejeon, South Korea
| | - Hyo-Jin Lee
- Department of Internal Medicine and Center of Hematopoietic stem cell transplantation, Chungnam National University Hospital, Daejeon, South Korea
| | - Hwan-Jung Yun
- Department of Internal Medicine and Center of Hematopoietic stem cell transplantation, Chungnam National University Hospital, Daejeon, South Korea
| | - Deog-Yeon Jo
- Department of Internal Medicine and Center of Hematopoietic stem cell transplantation, Chungnam National University Hospital, Daejeon, South Korea.,Center of Hematopoietic stem cell transplantation, Chungnam National University Hospital, Daejeon, South Korea
| | - Ik-Chan Song
- Department of Internal Medicine and Center of Hematopoietic stem cell transplantation, Chungnam National University Hospital, Daejeon, South Korea.,Center of Hematopoietic stem cell transplantation, Chungnam National University Hospital, Daejeon, South Korea
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15
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Biernat MM, Urbaniak-Kujda D, Dybko J, Kapelko-Słowik K, Prajs I, Wróbel T. Fecal microbiota transplantation in the treatment of intestinal steroid-resistant graft-versus-host disease: two case reports and a review of the literature. J Int Med Res 2021; 48:300060520925693. [PMID: 32527171 PMCID: PMC7294377 DOI: 10.1177/0300060520925693] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Acute graft-versus-host disease (aGvHD) reduces the efficiency and safety of allogeneic hematopoietic stem cell transplantation (allo-HSCT). In recent years, attempts have been made to transplant fecal microbiota from healthy donors to treat intestinal GvHD. This study presented two cases of patients undergoing allo-HSCT who were later selected for fecal microbiota transplantation (FMT). In the first patient, FMT resulted in the complete resolution of symptoms, whereas therapeutic efficacy was not achieved in the second patient. FMT eliminated drug-resistant pathogens, namely very drug-resistant Enterococcus spp., but not multidrug-resistant Acinetobacter baumannii or Candida spp. Further research is needed, particularly on the safety of FMT in patients with intestinal steroid-resistant GvHD and on the distant impact of transplanted microflora on the outcomes of allo-HSCT. FMT appears promising for the treatment of patients with steroid-resistant GvHD.
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Affiliation(s)
- Monika Maria Biernat
- Department and Clinic of Haematology, Blood Neoplasms, and Bone Marrow Transplantation, Wroclaw Medical University, Wroclaw, Poland
| | - Donata Urbaniak-Kujda
- Department and Clinic of Haematology, Blood Neoplasms, and Bone Marrow Transplantation, Wroclaw Medical University, Wroclaw, Poland
| | - Jarosław Dybko
- Department and Clinic of Internal and Occupational Diseases and Hypertension, Wroclaw Medical University, Wroclaw, Poland
| | - Katarzyna Kapelko-Słowik
- Department and Clinic of Haematology, Blood Neoplasms, and Bone Marrow Transplantation, Wroclaw Medical University, Wroclaw, Poland
| | - Iwona Prajs
- Department and Clinic of Haematology, Blood Neoplasms, and Bone Marrow Transplantation, Wroclaw Medical University, Wroclaw, Poland
| | - Tomasz Wróbel
- Department and Clinic of Haematology, Blood Neoplasms, and Bone Marrow Transplantation, Wroclaw Medical University, Wroclaw, Poland
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16
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Henig I, Yehudai-Ofir D, Zuckerman T. The clinical role of the gut microbiome and fecal microbiota transplantation in allogeneic stem cell transplantation. Haematologica 2021; 106:933-946. [PMID: 33241674 PMCID: PMC8017815 DOI: 10.3324/haematol.2020.247395] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 08/28/2020] [Indexed: 12/26/2022] Open
Abstract
Outcomes of allogeneic hematopoietic stem cell transplantation (allo- HSCT) have improved in the recent decade; however, infections and graft-versus-host disease remain two leading complications significantly contributing to early transplant-related mortality. In past years, the human intestinal microbial composition (microbiota) has been found to be associated with various disease states, including cancer, response to cancer immunotherapy and to modulate the gut innate and adaptive immune response. In the setting of allo-HSCT, the intestinal microbiota diversity and composition appear to have an impact on infection risk, mortality and overall survival. Microbial metabolites have been shown to contribute to the health and integrity of intestinal epithelial cells during inflammation, thus mitigating graft-versus-host disease in animal models. While the cause-andeffect relationship between the intestinal microbiota and transplant-associated complications has not yet been fully elucidated, the above findings have already resulted in the implementation of various interventions aiming to restore the intestinal microbiota diversity and composition. Among others, these interventions include the administration of fecal microbiota transplantation. The present review, based on published data, is intended to define the role of the latter approach in the setting of allo-HSCT.
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Affiliation(s)
- Israel Henig
- Department of Hematology and Bone Marrow Transplantation, Rambam Health Care Campus, Haifa
| | - Dana Yehudai-Ofir
- Department of Hematology and Bone Marrow Transplantation, Rambam Health Care Campus; The Ruth and Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa
| | - Tsila Zuckerman
- Department of Hematology and Bone Marrow Transplantation, Rambam Health Care Campus; The Ruth and Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa.
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17
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Toenges R, Greinix H, Lawitschka A, Halter J, Baumgartner A, Simon A, Arends J, Jäger P, Middeke M, Hilgendorf I, Klein S, Wagner-Drouet EM, Schmid C, Bug G, Wolff D. Current practice in nutrition after allogeneic hematopoietic stem cell transplantation - Results from a survey among hematopoietic stem cell transplant centers. Clin Nutr 2021; 40:1571-1577. [PMID: 33744601 DOI: 10.1016/j.clnu.2021.02.030] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 02/18/2021] [Accepted: 02/19/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND Allogeneic hematopoietic stem cell transplantation (alloHSCT) is frequently associated with impaired oral intake and malnutrition, which potentially increases morbidity and mortality. Therefore, nutrition is one of the major challenges in the post-transplant period. METHODS To document the current clinical approach in nutritional treatment, we designed a questionnaire concerning the current practice in nutrition after alloHSCT and distributed it to German speaking centers performing alloHSCT in Germany, Austria and Switzerland between November 2018 and March 2020. Twenty-eight (39%) of 72 contacted centers completed the survey, 23 from Germany, two from Austria and three from Switzerland, representing 50% of alloHSCT activity within the participating countries in 2018. RESULTS All centers reported having nutritional guidelines for patients undergoing alloHSCT, whereby 86% (n = 24) provided a low-microbial diet during the neutropenic phase. The criteria to start parenteral nutrition (PN) directly after alloHSCT seemed to be consistent, 75% (n = 21) of the corresponding centers started PN if the oral nutritional intake or the bodyweight dropped below a certain limit. In the setting of intestinal graft-versus-host disease (GvHD) the current practice appeared to be more heterogenous. About 64% (n = 18) of the centers followed a special diet, added food stepwise modulated by GvHD symptoms, while only four centers regularly stopped oral intake completely (intestinal GvHD grade >1). Half of the centers (54%, n = 15) applied a lactose-free diet, followed by 43% (n = 12) which provided fat- and 18% (n = 5) gluten-free food in patients with intestinal GvHD. Supplementation of micronutrients in acute intestinal GvHD patients was performed by 54% (n = 15) of the centers, whereas vitamin D (89%, n = 25) and vitamin B12 (68%, n = 19) was added regularly independently of the presence of GvHD. Only 5 (18%) participating centers ever observed a food-associated infection during hospitalization, whereas food-associated infections were reported to occur more often in the outpatient setting (64%, n = 18). CONCLUSION The survey documented a general consensus about the need for nutritional guidelines for patients undergoing alloHSCT. However, the nutritional treatment in clinical practice (i.e. lactose-, gluten- or fat-free in intestinal GvHD) as well as the use of food supplements was very heterogeneous. In line with current general recommendations the centers seemed to focus on safe food handling practice rather than providing a strict neutropenic diet. More high-quality data are required to provide evidence-based nutrition to patients during and after alloHSCT.
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Affiliation(s)
- R Toenges
- Department of Medicine, Hematology/Oncology, Goethe-University, 60590 Frankfurt, Germany.
| | - H Greinix
- Division of Hematology, Medical University of Graz, Austria.
| | | | - J Halter
- Dept. of Hematology, University Hospital Basel, Switzerland.
| | - A Baumgartner
- Dept. of Endocrinology, Medical University Klinik Kantonsspital Aarau, Aarau, Switzerland.
| | - A Simon
- Pediatric Oncology and Hematology, Saarland University Hospital, Saar, Homburg, Germany.
| | - J Arends
- Department of Medicine I, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
| | - P Jäger
- Department of Hematology, Oncology and Clinical Immunology, University Hospital Duesseldorf, Medical Faculty, Duesseldorf, Germany.
| | - M Middeke
- Dept. of Internal Medicine I, University Hospital Dresden, Dresden, Germany.
| | - I Hilgendorf
- Universitätsklinikum Jena, Klinik für Innere Medizin II, Abteilung für Hämatologie und Internistische Onkologie, Jena, Germany.
| | - S Klein
- III. Medizinische Klinik Hämatologie und Onkologie Universitätsmedizin Mannheim, Mannheim, Germany.
| | - E M Wagner-Drouet
- 3rd Medical Dept., Hematology, Oncology and Pneumology, University Medical Center Mainz, Germany.
| | - C Schmid
- Department of Hematology and Oncology, Universitätsklinikum Augsburg, Augsburg, Germany.
| | - G Bug
- Department of Medicine, Hematology/Oncology, Goethe-University, 60590 Frankfurt, Germany.
| | - D Wolff
- Dept. of Internal Medicine III, University Hospital, Regensburg, Germany.
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18
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Pession A, Zama D, Muratore E, Leardini D, Gori D, Guaraldi F, Prete A, Turroni S, Brigidi P, Masetti R. Fecal Microbiota Transplantation in Allogeneic Hematopoietic Stem Cell Transplantation Recipients: A Systematic Review. J Pers Med 2021; 11:100. [PMID: 33557125 PMCID: PMC7913807 DOI: 10.3390/jpm11020100] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/25/2021] [Accepted: 02/02/2021] [Indexed: 12/29/2022] Open
Abstract
The disruption of gut microbiota eubiosis has been linked to major complications in allogeneic hematopoietic stem cell transplantation (allo-HSCT) recipients. Various strategies have been developed to reduce dysbiosis and related complications. Fecal microbiota transplantation (FMT) consists of the infusion of fecal matter from a healthy donor to restore impaired intestinal homeostasis, and could be applied in the allo-HSCT setting. We conducted a systematic review of studies addressing the use of FMT in allo-HSCT patients. In the 23 papers included in the qualitative synthesis, FMT was used for the treatment of recurrent Clostridioides difficile infections or as a therapeutic strategy for steroid-resistant gut aGvHD. FMT was also performed with a preventive aim (e.g., to decolonize from antibiotic-resistant bacteria). Additional knowledge on the biological mechanisms underlying clinical findings is needed in order to employ FMT in clinical practice. There is also concern regarding the administration of microbial consortia in immune-compromised patients with altered gut permeability. Therefore, the safety profile and efficacy of the procedure must be determined to better assess the role of FMT in allo-HSCT recipients.
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Affiliation(s)
- Andrea Pession
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, Pediatric Unit—IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (A.P.); (D.Z.); (D.L.); (A.P.); (R.M.)
| | - Daniele Zama
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, Pediatric Unit—IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (A.P.); (D.Z.); (D.L.); (A.P.); (R.M.)
| | - Edoardo Muratore
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, Pediatric Unit—IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (A.P.); (D.Z.); (D.L.); (A.P.); (R.M.)
| | - Davide Leardini
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, Pediatric Unit—IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (A.P.); (D.Z.); (D.L.); (A.P.); (R.M.)
| | - Davide Gori
- Department of Biomedical and Neuromotor Sciences (DIBINEM), University of Bologna, 40126 Bologna, Italy; (D.G.); (F.G.)
| | - Federica Guaraldi
- Department of Biomedical and Neuromotor Sciences (DIBINEM), University of Bologna, 40126 Bologna, Italy; (D.G.); (F.G.)
- IRCCS Istituto delle Scienze Neurologiche di Bologna, 40126 Bologna, Italy
| | - Arcangelo Prete
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, Pediatric Unit—IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (A.P.); (D.Z.); (D.L.); (A.P.); (R.M.)
| | - Silvia Turroni
- Department of Pharmacy and Biotechnology (FABIT), University of Bologna, 40126 Bologna, Italy;
| | - Patrizia Brigidi
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40126 Bologna, Italy;
| | - Riccardo Masetti
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, Pediatric Unit—IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (A.P.); (D.Z.); (D.L.); (A.P.); (R.M.)
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19
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Gut Microbiota-Host Interactions in Inborn Errors of Immunity. Int J Mol Sci 2021; 22:ijms22031416. [PMID: 33572538 PMCID: PMC7866830 DOI: 10.3390/ijms22031416] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 01/27/2021] [Accepted: 01/28/2021] [Indexed: 12/11/2022] Open
Abstract
Inborn errors of immunity (IEI) are a group of disorders that are mostly caused by genetic mutations affecting immune host defense and immune regulation. Although IEI present with a wide spectrum of clinical features, in about one third of them various degrees of gastrointestinal (GI) involvement have been described and for some IEI the GI manifestations represent the main and peculiar clinical feature. The microbiome plays critical roles in the education and function of the host's innate and adaptive immune system, and imbalances in microbiota-immunity interactions can contribute to intestinal pathogenesis. Microbial dysbiosis combined to the impairment of immunosurveillance and immune dysfunction in IEI, may favor mucosal permeability and lead to inflammation. Here we review how immune homeostasis between commensals and the host is established in the gut, and how these mechanisms can be disrupted in the context of primary immunodeficiencies. Additionally, we highlight key aspects of the first studies on gut microbiome in patients affected by IEI and discuss how gut microbiome could be harnessed as a therapeutic approach in these diseases.
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Masetti R, Zama D, Leardini D, Muratore E, Turroni S, Brigidi P, Pession A. Microbiome-Derived Metabolites in Allogeneic Hematopoietic Stem Cell Transplantation. Int J Mol Sci 2021; 22:1197. [PMID: 33530464 PMCID: PMC7865777 DOI: 10.3390/ijms22031197] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/19/2021] [Accepted: 01/22/2021] [Indexed: 02/07/2023] Open
Abstract
The gut microbiome has emerged as a major character in the context of hematopoietic stem cell transplantation. The biology underpinning this relationship is still to be defined. Recently, mounting evidence has suggested a role for microbiome-derived metabolites in mediating crosstalk between intestinal microbial communities and the host. Some of these metabolites, such as fiber-derived short-chain fatty acids or amino acid-derived compounds, were found to have a role also in the transplant setting. New interesting data have been published on this topic, posing a new intriguing perspective on comprehension and treatment. This review provides an updated comprehensive overview of the available evidence in the field of gut microbiome-derived metabolites and hematopoietic stem cell transplantation.
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Affiliation(s)
- Riccardo Masetti
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (R.M.); (D.Z.); (E.M.); (A.P.)
| | - Daniele Zama
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (R.M.); (D.Z.); (E.M.); (A.P.)
| | - Davide Leardini
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (R.M.); (D.Z.); (E.M.); (A.P.)
| | - Edoardo Muratore
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (R.M.); (D.Z.); (E.M.); (A.P.)
| | - Silvia Turroni
- Unit of Microbial Ecology of Health, Department of Pharmacy and Biotechnology, University of Bologna, 40126 Bologna, Italy;
| | - Patrizia Brigidi
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40126 Bologna, Italy;
| | - Andrea Pession
- Pediatric Oncology and Hematology “Lalla Seràgnoli”, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (R.M.); (D.Z.); (E.M.); (A.P.)
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21
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Ferdjallah A, Young JAH, MacMillan ML. A Review of Infections After Hematopoietic Cell Transplantation Requiring PICU Care: Transplant Timeline Is Key. Front Pediatr 2021; 9:634449. [PMID: 34386464 PMCID: PMC8353083 DOI: 10.3389/fped.2021.634449] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 07/01/2021] [Indexed: 12/16/2022] Open
Abstract
Despite major advances in antimicrobial prophylaxis and therapy, opportunistic infections remain a major cause of morbidity and mortality after pediatric hematopoietic cell transplant (HCT). Risk factors associated with the development of opportunistic infections include the patient's underlying disease, previous infection history, co-morbidities, source of the donor graft, preparative therapy prior to the graft infusion, immunosuppressive agents, early and late toxicities after transplant, and graft-vs.-host disease (GVHD). Additionally, the risk for and type of infection changes throughout the HCT course and is greatly influenced by the degree and duration of immunosuppression of the HCT recipient. Hematopoietic cell transplant recipients are at high risk for rapid clinical decompensation from infections. The pediatric intensivist must remain abreast of the status of the timeline from HCT to understand the risk for different infections. This review will serve to highlight the infection risks over the year-long course of the HCT process and to provide key clinical considerations for the pediatric intensivist by presenting a series of hypothetical HCT cases.
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Affiliation(s)
- Asmaa Ferdjallah
- Department of Pediatrics, Division of Blood and Marrow Transplantation and Cellular Therapy, University of Minnesota, Minneapolis, MN, United States
| | - Jo-Anne H Young
- Department of Medicine, Division of Infectious Disease and International Medicine, Program in Transplant Infectious Disease, University of Minnesota, Minneapolis, MN, United States
| | - Margaret L MacMillan
- Department of Pediatrics, Division of Blood and Marrow Transplantation and Cellular Therapy, University of Minnesota, Minneapolis, MN, United States
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Elgarten CW, Li Y, Getz KD, Hemmer M, Huang YSV, Hall M, Wang T, Kitko CL, Jagasia MH, Nishihori T, Murthy HS, Hashem H, Cairo MS, Sharma A, Hashmi SK, Askar M, Beitinjaneh A, Kelly MS, Auletta JJ, Badawy SM, Mavers M, Aplenc R, MacMillan ML, Spellman SR, Arora M, Fisher BT. Broad-Spectrum Antibiotics and Risk of Graft-versus-Host Disease in Pediatric Patients Undergoing Transplantation for Acute Leukemia: Association of Carbapenem Use with the Risk of Acute Graft-versus-Host Disease. Transplant Cell Ther 2020; 27:177.e1-177.e8. [PMID: 33718896 DOI: 10.1016/j.jtct.2020.10.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Variation in the gastrointestinal (GI) microbiota after hematopoietic cell transplantation (HCT) has been associated with acute graft-versus-host disease (aGVHD). Because antibiotics induce dysbiosis, we examined the association of broad-spectrum antibiotics with subsequent aGVHD risk in pediatric patients undergoing HCT for acute leukemia. We performed a retrospective analysis in a dataset merged from 2 sources: (1) the Center for International Blood and Marrow Transplant Research, an observational transplantation registry, and (2) the Pediatric Health Information Services, an administrative database from freestanding children's hospitals. We captured exposure to 3 classes of antibiotics used for empiric treatment of febrile neutropenia: (1) broad-spectrum cephalosporins, (2) antipseudomonal penicillins, and (3) carbapenems. The primary outcome was grade II-IV aGVHD; secondary outcomes were grade III-IV aGVHD and lower GI GVHD. The adjusted logistic regression model (full cohort) and time-to-event analysis (subcohort) included transplantation characteristics, GVHD risk factors, and adjunctive antibiotic exposures as covariates. The full cohort included 2550 patients at 36 centers; the subcohort included 1174 patients. In adjusted models, carbapenems were associated with an increased risk of grade II-IV aGVHD in the full cohort (adjusted odds ratio [aOR], 1.24; 95% confidence interval [CI], 1.02 to 1.51) and subcohort (sub hazard ratio [HR], 1.31; 95% CI, 0.99 to 1.72), as well as with an increased risk of grade III-IV aGVHD (subHR, 1.77; 95% CI, 1.25 to 2.52). Early carbapenem exposure (before day 0) especially impacted aGVHD risk. For antipseudomonal penicillins, the associations with aGVHD were in the direction of increased risk but were not statistically significant. There was no identified association between broad-spectrum cephalosporins and aGVHD. Carbapenems, more than other broad-spectrum antibiotics, should be used judiciously in pediatric HCT recipients to minimize aGVHD risk. Further research is needed to clarify the mechanism underlying this association.
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Affiliation(s)
- Caitlin W Elgarten
- Division of Oncology, Children's Hospital of Philadelphia, Philadelphia, PA.,Center for Pediatric Clinical Effectiveness, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Yimei Li
- Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia PA
| | - Kelly D Getz
- Center for Pediatric Clinical Effectiveness, Children's Hospital of Philadelphia, Philadelphia, PA.,Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia PA
| | | | - Yuan-Shung V Huang
- Department of Biomedical and Health Informatics, Children's Hospital of Philadelphia, Philadelphia, PA
| | | | - Tao Wang
- Division of Biostatistics, Institute for Health and Equity, Medical College of Wisconsin, Milwaukee, WI
| | - Carrie L Kitko
- Division of Pediatric Hematology/Oncology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN
| | | | - Taiga Nishihori
- Department of Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center, Tampa, FL
| | - Hemant S Murthy
- Division of Hematology-Oncology, Blood and Marrow Transplantation Program, Mayo Clinic, Jacksonville, FL
| | - Hasan Hashem
- Division of Pediatric Hematology/Oncology and Bone Marrow Transplantation, King Hussein Cancer Center, Amman, Jordan
| | - Mitchell S Cairo
- Division of Pediatric Hematology, Oncology and Stem Cell Transplantation, Department of Pediatrics, New York Medical College, Valhalla, NY
| | - Akshay Sharma
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN
| | - Shahrukh K Hashmi
- Department of Internal Medicine, Mayo Clinic, Rochester, MN.,Oncology Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Medhat Askar
- Department of Pathology and Laboratory Medicine, Baylor University Medical Center, Dallas, TX
| | - Amer Beitinjaneh
- Division of Transplantation and Cellular Therapy, University of Miami, Miami, FL
| | - Matthew S Kelly
- Division of Pediatric Infectious Diseases, Duke University Medical Center, Durham, NC
| | - Jeffery J Auletta
- Blood and Marrow Transplant Program and Host Defense Program, Divisions of Hematology/Oncology/Bone Marrow Transplant and Infectious Diseases, Nationwide Children's Hospital, Columbus, OH
| | - Sherif M Badawy
- Division of Hematology, Oncology and Stem Cell Transplant, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL.,Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Melissa Mavers
- Division of Stem Cell Transplantation and Regenerative Medicine, Department of Pediatrics, Bass Center for Childhood Cancer and Blood Diseases, Stanford University School of Medicine, Palo Alto, CA
| | - Richard Aplenc
- Division of Oncology, Children's Hospital of Philadelphia, Philadelphia, PA.,Center for Pediatric Clinical Effectiveness, Children's Hospital of Philadelphia, Philadelphia, PA.,Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia PA
| | - Margaret L MacMillan
- Blood and Marrow Transplant Program, Department of Pediatrics, University of Minnesota, Minneapolis, MN
| | | | - Mukta Arora
- Division of Hematology, Oncology and Transplantation, Department of Medicine, University of Minnesota Medical Center, Minneapolis, MN
| | - Brian T Fisher
- Center for Pediatric Clinical Effectiveness, Children's Hospital of Philadelphia, Philadelphia, PA.,Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia PA.,Infectious Diseases, Children's Hospital of Philadelphia, Philadelphia, PA
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Botti S, van der Werf S, Stringer J, Eeltink C, Murray J, Ciceri F, Babic A, Duarte RF, Labopin M, Peczynski C, Basak GW, Liptrott SJ. Nutritional support in stem cell transplantation programs: Results from a multicenter survey of nurses on behalf of the Nurses Group and Transplant Complications Working Party of the European Society for Blood and Marrow Transplantation and the Gruppo Italiano Trapianto di Midollo Osseo. Nutrition 2020; 79-80:110998. [PMID: 32987334 DOI: 10.1016/j.nut.2020.110998] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 06/08/2020] [Accepted: 08/15/2020] [Indexed: 01/07/2023]
Abstract
OBJECTIVES Malnutrition in patients undergoing hematopoietic stem cell transplant (HSCT) can develop rapidly without appropriate nutritional support and affect morbidity and mortality. Guidance to monitor and manage nutrition status is described within the literature; however, whether this is applied in clinical practice is unclear. METHODS This paper describes a cross-sectional survey to explore current practice approaches in nutrition support management and adherence to international guidelines. RESULTS A total of 108 nurses from 108 centers across 16 countries replied to the questionnaire. A significant variation was observed regarding the availability of documents supporting the monitoring and management of nutrition status, application of recommendations, and nutritional practices. DISCUSSION The findings revealed that country was the most important factor influencing the differences in practice; however, significant differences were also observed based on patient age group (pediatrics vs. adults), department composition (hematology + HSCT unit vs. HSCT unit alone), and availability of nutrition health care professionals. Behavioral differences regarding nutritional practice approaches could be indicative of differences in knowledge or subject awareness, as well as a reflection of diversity across health care system policies. CONCLUSIONS Guideline dissemination and raising awareness through educational campaigns are suggested approaches to improve health care professionals' knowledge and sensitivity to this important topic.
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Affiliation(s)
- Stefano Botti
- Hematology Unit, Azienda Unità Sanitaria Locale IRCCS, Reggio Emilia, Italy.
| | | | - Jacqui Stringer
- Hematology and Transplant Unit, Christie Hospital NHS Foundation Trust, Manchester, United Kingdom
| | - Corien Eeltink
- Cancer Center Amsterdam, Department of Hematology, VU University Medical Center, Amsterdam, The Netherlands
| | - John Murray
- Hematology and Transplant Unit, Christie Hospital NHS Foundation Trust, Manchester, United Kingdom
| | - Fabio Ciceri
- Hematology and Bone Marrow Transplantation Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy; University Vita-Salute San Raffaele, Milan, Italy
| | - Aleksandra Babic
- Hemato-Oncology Unit, IOSI-Istituto Oncologico della Svizzera Italiana, Bellinzona, Switzerland
| | - Rafael F Duarte
- Hematopoietic Transplantation and Hemato-Oncology Section, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain
| | - Myriam Labopin
- Department of Hematology and Cell Therapy and EBMT Paris Office, Hôpital Saint-Antoine APHP, Saint Antoine, France
| | - Christophe Peczynski
- Department of Hematology and Cell Therapy and EBMT Paris Office, Hôpital Saint-Antoine APHP, Saint Antoine, France
| | - Grzegorz Wladyslaw Basak
- Department of Hematology, Oncology and Internal Medicine, Medical University of Warsaw, Warsaw, Poland
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24
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Sun R, Xu K, Ji S, Pu Y, Man Z, Ji J, Chen M, Yin L, Zhang J, Pu Y. Benzene exposure induces gut microbiota dysbiosis and metabolic disorder in mice. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 705:135879. [PMID: 31972927 DOI: 10.1016/j.scitotenv.2019.135879] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Revised: 10/17/2019] [Accepted: 11/30/2019] [Indexed: 06/10/2023]
Abstract
The gut microbiota comprises a multispecies microbial community and is essential for maintaining health. Benzene is a widespread environmental and occupational pollutant that mainly causes blood and bone marrow abnormalities. However, the effects of benzene on gut microbiota and metabolism have not yet been investigated. In this study, C57BL/6 mice were exposed to 0, 6, 30 and 150 mg/kg benzene by subcutaneous injection for 30 days. We observed that white blood cell levels significantly decreased in the three benzene exposure groups, while red blood cell and hemoglobin levels were only changed remarkably in 30 and 150 mg/kg benzene-treated mice. The results of 16S rRNA sequencing showed that benzene exposure altered the overall structure of the gut microbial communities. In addition, significant enrichments of Actinobacteria (p < .05) at the phylum level and Helicobacter at the genus level were observed in the cecal contents and feces of mice exposed to 150 mg/kg benzene. Moreover, there was a significant negative correlation between Actinobacteria abundance and basic blood indicators, including white blood cell, red blood cell, and hemoglobin levels. Furthermore, according to LC-MS analysis, a total of 42 cecal metabolites were significantly altered by 150 mg/kg benzene. Several metabolic pathways were significantly influenced by benzene exposure, including cysteine and methionine metabolism, porphyrin and chlorophyll metabolism, steroid biosynthesis, aminoacyl-tRNA biosynthesis, and arginine and proline metabolism. In summary, this study demonstrated that benzene exposure causes dysbiosis of the gut microbiota and metabolic disorder in mice.
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Affiliation(s)
- Rongli Sun
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China
| | - Kai Xu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China
| | - Shuangbin Ji
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China
| | - Yunqiu Pu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China
| | - Zhaodi Man
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China
| | - Jiahui Ji
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China
| | - Minjian Chen
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China
| | - Lihong Yin
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China
| | - Juan Zhang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China
| | - Yuepu Pu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China.
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Parco S, Benericetti G, Vascotto F, Palmisciano G. Microbiome and diversity indices during blood stem cells transplantation - new perspectives? Cent Eur J Public Health 2020; 27:335-339. [PMID: 31951695 DOI: 10.21101/cejph.a5393] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 06/24/2019] [Accepted: 06/24/2019] [Indexed: 01/17/2023]
Abstract
OBJECTIVE The human body is colonized by bacteria, fungi and viruses. Resident commensal bacteria are a fundamental line of resistance to colonization by exogenous microbes. They actively regulate the production of nutrients by the host through a negative feedback mechanism, in order to prevent the availability of nutrients for potential pathogens. While only a small fraction of these microorganism may be pathogenic, the relationship between host and commensal microbiome is now studied as a whole, impacting several aspects of the host biology. Some studies have made clear the progresses in examining the role of microbiome on transplants and graft versus host disease (GVHD) severity and its pathogenesis: the risk of complications from allogenic hematopoietic stem cells transplantation (HSCT) is greater with the highest mortality if a patient has a lower bacterial diversity in the gut prior to the transplantation process beginning. Microbiota-associated molecular patterns are directly recognized by pathogen recognition receptors. The development of molecular methods has greatly expanded our knowledge of the composition and function of the microbiome in health and disease, shortening the response times vs. microbiological culture tests. The gut flora can make the difference when it comes to allo-HSCT. The aim of the study was to monitor microbiome of 10 children during allo-HSCT. METHODS Oral specimens and gut faecal microbiome (100 grams) samples were collected at 2, 16, 24 days. The samples were analysed by polymerase chain reaction and primary sequencing was done. To calculate the biodiversity of microbiome the Shannon index and the Observed species index were chosen. RESULTS Our study suggests some differences in the diversity indices (DIs) in 5 children affected by GVHD vs. not affected. The DIs in oral and faecal specimens show in all patients a diminution in the post-transplant phase with an improvement in species diversity after 16 days from the transplant. The Observed species index in faeces specimens after 16 days was higher in patients which had not GVHD; moreover, patients with GVHD showed a deterioration at 24 days. Oral specimens after 24 days showed a parallel trend in the two groups. The Shannon index shows a downward trend in faeces specimens of the children with GVHD at 24 days; the children without GVHD recover a good trend of entropy. Oral specimens at 24 days show low entropy in the two groups. Very aggressive bacterial species as Cronobacter and Routella in the faeces specimens of a child had not serious consequences for disease status: Cronobacter were not present 24 days after transplantation. CONCLUSIONS The data show the microbial metabolome could have an impact on patients with GVHD vs. no GVHD. A better understanding of the role of the oral and gut microbiome in GVHD can give directions to move towards the development of innovative approaches for preventing GVHD following allo-HCT, reducing also antibiotic therapy.
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Affiliation(s)
- Sergio Parco
- Department of Advanced Technology, Institute for Maternal and Child Health, Trieste, Italy
| | - Giulia Benericetti
- Department of Advanced Technology, Institute for Maternal and Child Health, Trieste, Italy
| | - Fulvia Vascotto
- Department of Advanced Technology, Institute for Maternal and Child Health, Trieste, Italy
| | - Giuseppina Palmisciano
- Department of Advanced Technology, Institute for Maternal and Child Health, Trieste, Italy
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D’Amico F, Biagi E, Rampelli S, Fiori J, Zama D, Soverini M, Barone M, Leardini D, Muratore E, Prete A, Gotti R, Pession A, Masetti R, Brigidi P, Turroni S, Candela M. Enteral Nutrition in Pediatric Patients Undergoing Hematopoietic SCT Promotes the Recovery of Gut Microbiome Homeostasis. Nutrients 2019; 11:nu11122958. [PMID: 31817158 PMCID: PMC6950621 DOI: 10.3390/nu11122958] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 11/25/2019] [Accepted: 11/27/2019] [Indexed: 12/12/2022] Open
Abstract
Hematopoietic stem cell transplantation (HSCT) is the first-line immunotherapy to treat several hematologic disorders, although it can be associated with many complications reducing the survival rate, such as acute graft-versus-host disease (aGvHD) and infections. Given the fundamental role of the gut microbiome (GM) for host health, it is not surprising that a suboptimal path of GM recovery following HSCT may compromise immune homeostasis and/or increase the risk of opportunistic infections, with an ultimate impact in terms of aGvHD onset. Traditionally, the first nutritional approach in post-HSCT patients is parenteral nutrition (PN), which is associated with several clinical adverse effects, supporting enteral nutrition (EN) as a preferential alternative. The aim of the study was to evaluate the impact of EN vs. PN on the trajectory of compositional and functional GM recovery in pediatric patients undergoing HSCT. The GM structure and short-chain fatty acid (SCFA) production profiles were analyzed longitudinally in twenty pediatric patients receiving HSCT—of which, ten were fed post-transplant with EN and ten with total PN. According to our findings, we observed the prompt recovery of a structural and functional eubiotic GM layout post-HSCT only in EN subjects, thus possibly reducing the risk of systemic infections and GvHD onset.
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Affiliation(s)
- Federica D’Amico
- Microbial Ecology of Health Unit, Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy; (F.D.); (E.B.); (S.R.); (M.S.); (M.B.); (P.B.); (S.T.)
| | - Elena Biagi
- Microbial Ecology of Health Unit, Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy; (F.D.); (E.B.); (S.R.); (M.S.); (M.B.); (P.B.); (S.T.)
| | - Simone Rampelli
- Microbial Ecology of Health Unit, Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy; (F.D.); (E.B.); (S.R.); (M.S.); (M.B.); (P.B.); (S.T.)
| | - Jessica Fiori
- Department of Chemistry, University of Bologna, Via Selmi 2, 40126 Bologna, Italy;
| | - Daniele Zama
- Pediatric Oncology and Hematology Unit “Lalla Seràgnoli”, Department of Pediatrics, University of Bologna, Sant’Orsola Malpighi Hospital, Via Massarenti 9, 40138 Bologna, Italy; (D.Z.); (D.L.); (E.M.); (A.P.); (A.P.); (R.M.)
| | - Matteo Soverini
- Microbial Ecology of Health Unit, Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy; (F.D.); (E.B.); (S.R.); (M.S.); (M.B.); (P.B.); (S.T.)
| | - Monica Barone
- Microbial Ecology of Health Unit, Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy; (F.D.); (E.B.); (S.R.); (M.S.); (M.B.); (P.B.); (S.T.)
| | - Davide Leardini
- Pediatric Oncology and Hematology Unit “Lalla Seràgnoli”, Department of Pediatrics, University of Bologna, Sant’Orsola Malpighi Hospital, Via Massarenti 9, 40138 Bologna, Italy; (D.Z.); (D.L.); (E.M.); (A.P.); (A.P.); (R.M.)
| | - Edoardo Muratore
- Pediatric Oncology and Hematology Unit “Lalla Seràgnoli”, Department of Pediatrics, University of Bologna, Sant’Orsola Malpighi Hospital, Via Massarenti 9, 40138 Bologna, Italy; (D.Z.); (D.L.); (E.M.); (A.P.); (A.P.); (R.M.)
| | - Arcangelo Prete
- Pediatric Oncology and Hematology Unit “Lalla Seràgnoli”, Department of Pediatrics, University of Bologna, Sant’Orsola Malpighi Hospital, Via Massarenti 9, 40138 Bologna, Italy; (D.Z.); (D.L.); (E.M.); (A.P.); (A.P.); (R.M.)
| | - Roberto Gotti
- Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy;
| | - Andrea Pession
- Pediatric Oncology and Hematology Unit “Lalla Seràgnoli”, Department of Pediatrics, University of Bologna, Sant’Orsola Malpighi Hospital, Via Massarenti 9, 40138 Bologna, Italy; (D.Z.); (D.L.); (E.M.); (A.P.); (A.P.); (R.M.)
| | - Riccardo Masetti
- Pediatric Oncology and Hematology Unit “Lalla Seràgnoli”, Department of Pediatrics, University of Bologna, Sant’Orsola Malpighi Hospital, Via Massarenti 9, 40138 Bologna, Italy; (D.Z.); (D.L.); (E.M.); (A.P.); (A.P.); (R.M.)
| | - Patrizia Brigidi
- Microbial Ecology of Health Unit, Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy; (F.D.); (E.B.); (S.R.); (M.S.); (M.B.); (P.B.); (S.T.)
| | - Silvia Turroni
- Microbial Ecology of Health Unit, Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy; (F.D.); (E.B.); (S.R.); (M.S.); (M.B.); (P.B.); (S.T.)
| | - Marco Candela
- Microbial Ecology of Health Unit, Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy; (F.D.); (E.B.); (S.R.); (M.S.); (M.B.); (P.B.); (S.T.)
- Correspondence: ; Tel.: +39-051-2099727
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Bekker V, Zwittink RD, Knetsch CW, Sanders IM, Berghuis D, Heidt PJ, Vossen JM, de Vos WM, Belzer C, Bredius RG, van‘t Hof PJ, Lankester AC, Kuijper EJ. Dynamics of the Gut Microbiota in Children Receiving Selective or Total Gut Decontamination Treatment during Hematopoietic Stem Cell Transplantation. Biol Blood Marrow Transplant 2019; 25:1164-1171. [DOI: 10.1016/j.bbmt.2019.01.037] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 01/31/2019] [Indexed: 01/17/2023]
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Sadanand A, Newland JG, Bednarski JJ. Safety of Probiotics Among High-Risk Pediatric Hematopoietic Stem Cell Transplant Recipients. Infect Dis Ther 2019; 8:301-306. [PMID: 30989592 PMCID: PMC6522555 DOI: 10.1007/s40121-019-0244-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Indexed: 12/11/2022] Open
Abstract
INTRODUCTION Increased diversity of the intestinal microbiome has been significantly associated with lower mortality after hematopoietic stem cell transplant (HSCT). Probiotics, such as Lactobacillus species with defined probiotic potential, may have beneficial properties including restoration of commensal species to the intestinal tract, anti-microbial effects, and healing of the intestinal mucosa. However, the use of probiotics in immune-compromised patients raises concerns, specifically regarding the risk for possible Lactobacillus bacteremia. Risk of bacteremia is an even greater concern in HSCT patients with breakdown of mucosal barriers, specifically patients with Clostridium difficile infection (CDI) or gastrointestinal graft-versus-host disease (GVHD). Minimal data have been reported on the safety of probiotics in these high-risk HSCT populations. METHODS We performed a retrospective study of allogeneic HSCT recipients at our institution between 2011 and 2016, and identified 14 patients (median age 7 years) prescribed probiotics, 10 of whom received probiotics prior to day 100 after HSCT. RESULTS Eight of ten patients were diagnosed with acute GVHD, four of whom (40%) specifically had acute GVHD involving the gastrointestinal tract. Five patients (50%) on probiotics prior to day 100 were diagnosed with CDI (median onset at day 13 post-transplant). There were no cases of Lactobacillus bacteremia, including in patients with GVHD or CDI. CONCLUSION This small case series supports the safe use of probiotics in a high-risk population of pediatric HSCT patients with compromised intestinal mucosal integrity. Further studies are needed to determine if probiotics have benefit in preventing and treating gastrointestinal GVHD or CDI.
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Affiliation(s)
- Arhanti Sadanand
- Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, USA
| | - Jason G Newland
- Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, USA
| | - Jeffrey J Bednarski
- Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, USA.
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Biagi E, Zama D, Rampelli S, Turroni S, Brigidi P, Consolandi C, Severgnini M, Picotti E, Gasperini P, Merli P, Decembrino N, Zecca M, Cesaro S, Faraci M, Prete A, Locatelli F, Pession A, Candela M, Masetti R. Early gut microbiota signature of aGvHD in children given allogeneic hematopoietic cell transplantation for hematological disorders. BMC Med Genomics 2019; 12:49. [PMID: 30845942 PMCID: PMC6404274 DOI: 10.1186/s12920-019-0494-7] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Accepted: 02/26/2019] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND The onset of acute Graft-versus-Host Disease (aGvHD) has been correlated with the gut microbiota (GM) composition, but experimental observations are still few, mainly involving cohorts of adult patients. In the current scenario where fecal microbiota transplantation has been used as a pioneer therapeutic approach to treat steroid-refractory aGvHD, there is an urgent need to expand existing observational studies of the GM dynamics in Hematopoietic Stem Cell Transplantation (HSCT). Aim of the present study is to explore the GM trajectory in 36 pediatric HSCT recipients in relation to aGvHD onset. METHODS Thirty-six pediatric patients, from four transplantation centers, undergoing HSCT were enrolled in the study. Stools were collected at three time points: before HSCT, at time of engraftment and > 30 days following HSCT. Changes in the GM phylogenetic structure were studied by 16S rRNA gene Illumina sequencing and phylogenetic assignation. RESULTS Children developing gut aGvHD had a dysbiotic GM layout before HSCT occurred. This putative aGvHD-predisposing ecosystem state was characterized by (i) reduced diversity, (ii) lower Blautia content, (iii) increase in Fusobacterium abundance. At time of engraftment, the GM structure underwent a deep rearrangement in all patients but, regardless of the occurrence of aGvHD and its treatment, it reacquired a eubiotic configuration from day 30. CONCLUSIONS We found a specific GM signature before HSCT predictive of subsequent gut aGvHD occurrence. Our data may open the way to a GM-based stratification of the risk of developing aGvHD in children undergoing HSCT, potentially useful also to identify patients benefiting from prophylactic fecal transplantation.
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Affiliation(s)
- Elena Biagi
- Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126, Bologna, Italy.
| | - Daniele Zama
- Pediatric Oncology and Hematology Unit "Lalla Seràgnoli", Department of Pediatrics, University of Bologna, Sant'Orsola Malpighi Hospital, Via Massarenti 9, 40138, Bologna, Italy
| | - Simone Rampelli
- Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126, Bologna, Italy
| | - Silvia Turroni
- Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126, Bologna, Italy
| | - Patrizia Brigidi
- Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126, Bologna, Italy
| | - Clarissa Consolandi
- Institute of Biomedical Technologies, Italian National Research Council, Via Fratelli Cervi 93, 20090, Segrate, Milan, Italy
| | - Marco Severgnini
- Institute of Biomedical Technologies, Italian National Research Council, Via Fratelli Cervi 93, 20090, Segrate, Milan, Italy
| | - Eleonora Picotti
- Pediatric Oncology and Hematology Unit "Lalla Seràgnoli", Department of Pediatrics, University of Bologna, Sant'Orsola Malpighi Hospital, Via Massarenti 9, 40138, Bologna, Italy
| | - Pietro Gasperini
- Pediatric Oncology and Hematology Unit "Lalla Seràgnoli", Department of Pediatrics, University of Bologna, Sant'Orsola Malpighi Hospital, Via Massarenti 9, 40138, Bologna, Italy
| | - Pietro Merli
- Department of Pediatric Hematology/Oncology, IRCCS Ospedale Pediatrico Bambino Gesù, Rome, Italy
| | - Nunzia Decembrino
- Division of Pediatric Hematology/Oncology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Marco Zecca
- Division of Pediatric Hematology/Oncology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Simone Cesaro
- Azienda Ospedaliera Universitaria Integrata di Verona, Verona, Italy
| | - Maura Faraci
- Hematopoietic stem cell Unit, Department of Hematology-Oncology, IRCCS-Istituto Gaslini, Genoa, Italy
| | - Arcangelo Prete
- Pediatric Oncology and Hematology Unit "Lalla Seràgnoli", Department of Pediatrics, University of Bologna, Sant'Orsola Malpighi Hospital, Via Massarenti 9, 40138, Bologna, Italy
| | - Franco Locatelli
- Department of Pediatric Hematology/Oncology, IRCCS Ospedale Pediatrico Bambino Gesù, Rome, Italy
| | - Andrea Pession
- Pediatric Oncology and Hematology Unit "Lalla Seràgnoli", Department of Pediatrics, University of Bologna, Sant'Orsola Malpighi Hospital, Via Massarenti 9, 40138, Bologna, Italy
| | - Marco Candela
- Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, 40126, Bologna, Italy
| | - Riccardo Masetti
- Pediatric Oncology and Hematology Unit "Lalla Seràgnoli", Department of Pediatrics, University of Bologna, Sant'Orsola Malpighi Hospital, Via Massarenti 9, 40138, Bologna, Italy
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Astudillo-de la Vega H, Alonso-Luna O, Ali-Pérez J, López-Camarillo C, Ruiz-Garcia E. Oncobiome at the Forefront of a Novel Molecular Mechanism to Understand the Microbiome and Cancer. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1168:147-156. [PMID: 31713170 DOI: 10.1007/978-3-030-24100-1_10] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The microbiome comprises all the genetic material within a microbiota, that represents tenfold higher than that of our cells. The microbiota it includes a wide variety of microorganisms such as bacteria, viruses, protozoans, fungi, and archaea, and this ecosystem is personalized in any body space of every individual. Balanced microbial communities can positively contribute to training the immune system and maintaining immune homeostasis. Dysbiosis is a change in the normal microbiome composition that can initiate chronic inflammation, epithelial barrier breaches, and overgrowth of harmful bacteria. The next-generation sequencing methods have revolutionized the study of the microbiome. Bioinformatic tools to manage large volumes of new information, it became possible to assess species diversity and measure dynamic fluctuations in microbial communities. The burden of infections that are associated to human cancer is increasing but is underappreciated by the cancer research community. The rich content in microbes of normal and tumoral tissue reflect could be defining diverse physiological or pathological states. Genomic research has emerged a new focus on the interplay between the human microbiome and carcinogenesis and has been termed the 'oncobiome'. The interactions among the microbiota in all epithelium, induce changes in the host immune interactions and can be a cause of cancer. Microbes have been shown to have systemic effects on the host that influence the efficacy of anticancer drugs. Metagenomics allows to investigate the composition of microbial community. Metatranscriptome analysis applies RNA sequencing to microbial samples to determine which species are present. Cancer can be caused by changes in the microbiome. The roles of individual microbial species in cancer progression have been identified long ago for various tissue types. The identification of microbiomes of drug resistance in the treatment of cancer patients has been the subject of numerous microbiome studies. The complexity of cancer genetic alterations becomes irrelevant in certain cancers to explain the origin, the cause or the oncogenic maintenance by the oncogene addiction theory.
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Affiliation(s)
- H Astudillo-de la Vega
- Translational Research Laboratory in Cancer & Celullar Therapy, Hospital de Oncologia, Siglo XXI, IMSS, Mexico City, Mexico.
| | - O Alonso-Luna
- Laboratorio de NGS, Nanopharmacia Diagnostica de la Ciudad de Mexico, Mexico City, Mexico
| | - J Ali-Pérez
- Laboratorio de Oncogenomica, Nanopharmacia Diagnostica de la Ciudad de Mexico, Mexico City, Mexico
| | - C López-Camarillo
- Posgrado en Ciencias Genomicas, Universidad Autonoma de la Ciudad de Mexico, Mexico City, Mexico
| | - E Ruiz-Garcia
- Department of Gastrointestinal Medical Oncology & Translational Medicine Laboratory, Instituto Nacional de Cancerologia, Mexico City, Mexico
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Espinoza JL, Wadasaki Y, Takami A. Infection Complications in Hematopoietic Stem Cells Transplant Recipients: Do Genetics Really Matter? Front Microbiol 2018; 9:2317. [PMID: 30356925 PMCID: PMC6190889 DOI: 10.3389/fmicb.2018.02317] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Accepted: 09/11/2018] [Indexed: 12/17/2022] Open
Abstract
Hematopoietic stem cell transplantation (HSCT) is a highly advanced technique that offers a potential cure for an increasing number of life-threatening diseases. Enormous progress achieved in the last decade, including the refinement of donor selection and advancements in patient supportive care, had significantly improved transplant outcomes; however, invasive infections, graft-vs.-host disease (GVHD) and other serious complications still represent a major source of morbidity and mortality in HSCT recipients. The damage of anatomical barriers due to pre-transplant conditioning, a severely damaged immune function and a profound disruption in the composition of gut microbial commensals (gut microbiota) are alterations inherent to the transplant procedure that are directly implicated in the development of invasive infections and other HSCT complications. Although HLA-matching represents the most important genetic predictor of transplant outcomes, genetic variants in non-HLA genes, especially single nucleotide polymorphisms (SNPs) of genes encoding proteins associated with the immune response to tissue injury and pathogen infection have also been proposed as additional risk factors implicated in the occurrence of HSCT complications. Furthermore, although the microbiota composition is affected by several factors, recent evidence suggests that certain host genetic variants are associated with an altered composition of the gut microbiome and may, therefore, predispose some individuals to invasive infectious complications. This article summarizes the current understanding of the influence that genetic variants in non-HLA genes have on the development of infectious complications in HSCT recipients.
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Affiliation(s)
- J. Luis Espinoza
- Department of Hematology and Rheumatology, Faculty of Medicine, Kindai University, Osaka, Japan
| | - Yohei Wadasaki
- Department of Hematology and Rheumatology, Faculty of Medicine, Kindai University, Osaka, Japan
| | - Akiyoshi Takami
- Division of Hematology, Department of Internal Medicine, School of Medicine, Aichi Medical University, Nagakute, Japan
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32
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Pötgens SA, Brossel H, Sboarina M, Catry E, Cani PD, Neyrinck AM, Delzenne NM, Bindels LB. Klebsiella oxytoca expands in cancer cachexia and acts as a gut pathobiont contributing to intestinal dysfunction. Sci Rep 2018; 8:12321. [PMID: 30120320 PMCID: PMC6098145 DOI: 10.1038/s41598-018-30569-5] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 08/01/2018] [Indexed: 02/07/2023] Open
Abstract
Cancer cachexia is a complex multi-organ syndrome characterized by body weight loss, weakness, muscle atrophy and fat depletion. With a prevalence of 1 million people in Europe and only limited therapeutic options, there is a high medical need for new approaches to treat cachexia. Our latest results highlighted microbial dysbiosis, characterized by a bloom in Enterobacteriaceae and altered gut barrier function in preclinical models of cancer cachexia. They also demonstrated the potential of targeting the gut microbial dysbiosis in this pathology. However, the exact mechanisms underlying the gut microbiota-host crosstalk in cancer cachexia remain elusive. In this set of studies, we identified Klebsiella oxytoca as one of the main Enterobacteriaceae species increased in cancer cachexia and we demonstrated that this bacteria acts as a gut pathobiont by altering gut barrier function in cachectic mice. Moreover, we propose a conceptual framework for the lower colonization resistance to K. oxytoca in cancer cachexia that involves altered host gut epithelial metabolism and host-derived nitrate boosting the growth of the gut pathobiont. This set of studies constitutes a strong progression in the field of gut microbiota in cancer cachexia, by dissecting the mechanism of emergence of one bacterium, K. oxytoca, and establishing its role as a gut pathobiont in this severe disease.
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Affiliation(s)
- Sarah A Pötgens
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Hélène Brossel
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Martina Sboarina
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Emilie Catry
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Patrice D Cani
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium.,Walloon Excellence in Life Sciences and BIOtechnology (WELBIO), Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Audrey M Neyrinck
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Nathalie M Delzenne
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Laure B Bindels
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium.
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33
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Santos e Sousa P, Bennett CL, Chakraverty R. Unraveling the Mechanisms of Cutaneous Graft-Versus-Host Disease. Front Immunol 2018; 9:963. [PMID: 29770141 PMCID: PMC5940745 DOI: 10.3389/fimmu.2018.00963] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Accepted: 04/18/2018] [Indexed: 12/20/2022] Open
Abstract
The skin is the most common target organ affected by graft-versus-host disease (GVHD), with severity and response to therapy representing important predictors of patient survival. Although many of the initiating events in GVHD pathogenesis have been defined, less is known about why treatment resistance occurs or why there is often a permanent failure to restore tissue homeostasis. Emerging data suggest that the unique immune microenvironment in the skin is responsible for defining location- and context-specific mechanisms of injury that are distinct from those involved in other target organs. In this review, we address recent advances in our understanding of GVHD biology in the skin and outline the new research themes that will ultimately enable design of precision therapies.
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Affiliation(s)
- Pedro Santos e Sousa
- UCL Cancer Institute, University College London, London, United Kingdom
- UCL Institute of Immunity and Transplantation, University College London, London, United Kingdom
| | - Clare L. Bennett
- UCL Cancer Institute, University College London, London, United Kingdom
- UCL Institute of Immunity and Transplantation, University College London, London, United Kingdom
| | - Ronjon Chakraverty
- UCL Cancer Institute, University College London, London, United Kingdom
- UCL Institute of Immunity and Transplantation, University College London, London, United Kingdom
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34
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Baumgartner A, Hoskin K, Schuetz P. Optimization of nutrition during allogeneic hematologic stem cell transplantation. Curr Opin Clin Nutr Metab Care 2018; 21:152-158. [PMID: 29465425 DOI: 10.1097/mco.0000000000000461] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
PURPOSE OF REVIEW Malnutrition before and during hematopoietic stem cell transplantation (HSCT) is an independent risk factor for mortality in patients undergoing hematopoietic stem cell transplantation. Yet, optimal use of nutritional support to improve outcomes remains controversial. Our aim was to do an up-to-date literature review regarding nutritional therapy in allogeneic HSCT, the neutropenic diet and the use of immunonutrients. RECENT FINDINGS Several observational studies find malnutrition to be associated with poor outcome, increased complications and lower overall survival. There are, however, few interventional trials proving the benefits of nutritional therapy in this population compared with no nutritional treatment. Regarding routes of treatment, studies suggested that parenteral nutrition is associated with higher risk for complications compared with enteral nutrition. Whether the use of specific formulas, such as immunonutrition, has a beneficial effect on clinical outcome is not established yet. Strict use of neutropenic diets did not show a reduction in infection risk and clinical outcome, and can no longer be recommended. SUMMARY Our updated search confirms that malnutrition is a strong negative predictor for outcome, yet optimal use of nutritional interventions to prevent or treat malnutrition remains ill-defined. There is need for larger randomized trials to better address these issues in the future.
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Abstract
Allogeneic haematopoietic stem cell transplantation (allo-HSCT) is considered to be the strongest curative immunotherapy for various malignancies (primarily, but not limited to, haematologic malignancies). However, application of allo-HSCT is limited owing to its life-threatening major complications, such as graft-versus-host disease (GVHD), relapse and infections. Recent advances in large-scale DNA sequencing technology have facilitated rapid identification of the microorganisms that make up the microbiota and evaluation of their interactions with host immunity in various diseases, including cancer. This has resulted in renewed interest regarding the role of the intestinal flora in patients with haematopoietic malignancies who have received an allo-HSCT and in whether the microbiota affects clinical outcomes, including GVHD, relapse, infections and transplant-related mortality. In this Review, we discuss the potential role of intestinal microbiota in these major complications after allo-HSCT, summarize clinical trials evaluating the microbiota in patients who have received allo-HSCT and discuss how further studies of the microbiota could inform the development of strategies that improve outcomes of allo-HSCT.
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Affiliation(s)
- Yusuke Shono
- Department of Immunology, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, State University of New York Downstate Medical Center, Brooklyn, New York, USA
| | - Marcel R. M. van den Brink
- Department of Immunology, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Weill Medical College of Cornell University, New York, New York, USA
- Adult BMT Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
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36
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Balian C, Garcia M, Ward J. A Retrospective Analysis of Bloodstream Infections in Pediatric Allogeneic Stem Cell Transplant Recipients: The Role of Central Venous Catheters and Mucosal Barrier Injury. J Pediatr Oncol Nurs 2018; 35:210-217. [DOI: 10.1177/1043454218762706] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Background: Bloodstream infections (BSIs) are a leading cause of morbidity and mortality in children undergoing hematopoietic stem cell transplant (HSCT). Indwelling central venous catheters (CVCs) increase risk for BSIs, yet mucosal barrier injury–associated laboratory-confirmed bloodstream infection (MBI-LCBI) may also occur due to translocation of pathogenic organisms from the gastrointestinal tract into the bloodstream. The purpose of this study was to determine the association between stool organisms and BSIs in children with CVCs who underwent HSCT. Methods: We performed a retrospective analysis of 78 children who received allogeneic HSCT over 3 years (2012-2014). Surveillance stool cultures were analyzed pre- and post-HSCT to assess correlations between organisms isolated from stool and CVC cultures. Results: Twenty-four of 78 children experienced 31 BSIs. Fifteen (48%) of these isolates were identified in stool within 30 days of the positive blood culture, and 11 (36%) isolates met criteria for MBI-LCBI. Conclusions: Mucosal barrier injury leads to translocation of pathogenic organisms into the bloodstream and accounts for a significant number of BSIs in children undergoing HSCT. Nursing assessment of mucosal changes during HSCT and interventions to preserve intact mucosa are essential to prevent MBI-LCBI.
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Affiliation(s)
| | | | - Jessica Ward
- Children’s Hospital Los Angeles, Los Angeles, CA, USA
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37
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Espinoza JL. Machine learning for tackling microbiota data and infection complications in immunocompromised patients with cancer. J Intern Med 2018; 284:189-192. [PMID: 29560613 DOI: 10.1111/joim.12746] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- J Luis Espinoza
- Department of Hematology and Rheumatology, Faculty of Medicine, Kindai University, Osaka-sayama, Osaka, Japan
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Mancini N, Greco R, Pasciuta R, Barbanti MC, Pini G, Morrow OB, Morelli M, Vago L, Clementi N, Giglio F, Lupo Stanghellini MT, Forcina A, Infurnari L, Marktel S, Assanelli A, Carrabba M, Bernardi M, Corti C, Burioni R, Peccatori J, Sormani MP, Banfi G, Ciceri F, Clementi M. Enteric Microbiome Markers as Early Predictors of Clinical Outcome in Allogeneic Hematopoietic Stem Cell Transplant: Results of a Prospective Study in Adult Patients. Open Forum Infect Dis 2017; 4:ofx215. [PMID: 29226172 PMCID: PMC5714175 DOI: 10.1093/ofid/ofx215] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2017] [Accepted: 09/28/2017] [Indexed: 12/18/2022] Open
Abstract
Background Infections and graft-vs-host disease (GvHD) still represent major, not easily predictable complications in allogeneic hematopoietic stem cell transplant (allo-HSCT). Both conditions have been correlated to altered enteric microbiome profiles during the peritransplant period. The main objective of this study was to identify possible early microbiome-based markers useful in pretransplant risk stratification. Methods Stool samples were collected from 96 consecutive patients at the beginning of the pretransplant conditioning regimen (T0) and at 10 (T1) and 30 (T2) days following transplant. When significant in univariate analysis, the identified microbiome markers were used in multivariate regression analyses, together with other significant clinical variables for allo-HSCT-related risk stratification. Four main outcomes were addressed: (1) septic complications, (2) GvHD, (3) relapse of the underlying disease, and (4) mortality. Results The presence of >5% proinflammatory Enterobacteriaceae at T0 was the only significant marker for the risk of microbiologically confirmed sepsis. Moreover, ≤10% Lachnospiraceae at T0 was the only significant factor for increased risk of overall mortality, including death from both infectious and noninfectious causes.Finally, a low bacterial alpha-diversity (Shannon index ≤ 1.3) at T1 was the only variable significantly correlating with an increased risk of GvHD within 30 days. Conclusions Microbiome markers can be useful in the very early identification of patients at risk for major transplant-related complications, offering new tools for individualized preemptive or therapeutic strategies to improve allo-HSCT outcomes.
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Affiliation(s)
- Nicasio Mancini
- Laboratory of Microbiology and Virology, San Raffaele Scientific Institute, Milan, Italy.,Department of Microbiology and Virology, University "Vita-Salute" San Raffaele, Milan, Italy
| | - Raffaella Greco
- Hematology and Bone Marrow Transplantation Unit, Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, Milan, Italy
| | - Renée Pasciuta
- Laboratory of Microbiology and Virology, San Raffaele Scientific Institute, Milan, Italy
| | - Maria Chiara Barbanti
- Hematology and Bone Marrow Transplantation Unit, Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, Milan, Italy
| | - Giacomo Pini
- Laboratory of Microbiology and Virology, San Raffaele Scientific Institute, Milan, Italy
| | - Olivia Beatrice Morrow
- Laboratory of Microbiology and Virology, San Raffaele Scientific Institute, Milan, Italy
| | - Mara Morelli
- Hematology and Bone Marrow Transplantation Unit, Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, Milan, Italy
| | - Luca Vago
- Hematology and Bone Marrow Transplantation Unit, Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, Milan, Italy
| | - Nicola Clementi
- Department of Microbiology and Virology, University "Vita-Salute" San Raffaele, Milan, Italy
| | - Fabio Giglio
- Hematology and Bone Marrow Transplantation Unit, Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, Milan, Italy
| | - Maria Teresa Lupo Stanghellini
- Hematology and Bone Marrow Transplantation Unit, Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, Milan, Italy
| | - Alessandra Forcina
- Hematology and Bone Marrow Transplantation Unit, Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, Milan, Italy
| | - Laura Infurnari
- Laboratory of Microbiology and Virology, San Raffaele Scientific Institute, Milan, Italy
| | - Sarah Marktel
- Hematology and Bone Marrow Transplantation Unit, Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, Milan, Italy
| | - Andrea Assanelli
- Hematology and Bone Marrow Transplantation Unit, Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, Milan, Italy
| | - Matteo Carrabba
- Hematology and Bone Marrow Transplantation Unit, Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, Milan, Italy
| | - Massimo Bernardi
- Hematology and Bone Marrow Transplantation Unit, Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, Milan, Italy
| | - Consuelo Corti
- Hematology and Bone Marrow Transplantation Unit, Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, Milan, Italy
| | - Roberto Burioni
- Laboratory of Microbiology and Virology, San Raffaele Scientific Institute, Milan, Italy.,Department of Microbiology and Virology, University "Vita-Salute" San Raffaele, Milan, Italy
| | - Jacopo Peccatori
- Hematology and Bone Marrow Transplantation Unit, Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, Milan, Italy
| | | | - Giuseppe Banfi
- Galeazzi Scientific Institute and University "Vita-Salute" San Raffaele, Milan, Italy
| | - Fabio Ciceri
- Hematology and Bone Marrow Transplantation Unit, Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, Milan, Italy.,Department of Hematology and Bone Marrow Transplantation, University "Vita-Salute" San Raffaele, Milan, Italy
| | - Massimo Clementi
- Laboratory of Microbiology and Virology, San Raffaele Scientific Institute, Milan, Italy.,Department of Microbiology and Virology, University "Vita-Salute" San Raffaele, Milan, Italy
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High incidence of extensive chronic graft-versus-host disease in patients with the REG3A rs7588571 non-GG genotype. PLoS One 2017; 12:e0185213. [PMID: 28945764 PMCID: PMC5612655 DOI: 10.1371/journal.pone.0185213] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Accepted: 09/10/2017] [Indexed: 01/06/2023] Open
Abstract
Regenerating islet-derived protein 3 alpha (REG3A) is a biomarker of lower gastrointestinal graft-versus-host disease (GVHD); however, the biological role of REG3A in the pathophysiology of GVHD is not understood. Here, we examined the association between a single nucleotide polymorphism in the REG3A gene, rs7588571, which is located upstream and within 2 kb of the REG3A gene, and transplant outcomes including the incidence of GVHD. The study population consisted of 126 adult Japanese patients who had undergone bone marrow transplantation from a HLA-matched sibling. There was no association between rs7588571 polymorphism and the incidence of acute GVHD. However, a significantly higher incidence of extensive chronic GVHD was observed in patients with the rs7588571 non-GG genotype than in those with the GG genotype (Odds ratio 2.6; 95% confidence interval, 1.1–6.0; P = 0.029). Semi-quantitative reverse transcription PCR demonstrated that the rs7588571 non-GG genotype exhibited a significantly lower REG3A mRNA expression level than the GG genotype (P = 0.032), and Western blot analysis demonstrated that the rs7588571 non-GG genotype exhibited a trend toward lower REG3A protein expression level than the GG genotype (P = 0.053). Since REG proteins have several activities that function to control intestinal microbiota, and since intestinal dysbiosis is in part responsible for the development of GVHD, our findings lead to the novel concept that REG3A could have some protective effect in the pathogenesis of GVHD through the regulation of gut microbiota.
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Haematopoietic stem cell transplantation induces severe dysbiosis in intestinal microbiota of paediatric ALL patients. Bone Marrow Transplant 2017; 52:1479-1482. [PMID: 28783141 DOI: 10.1038/bmt.2017.168] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Revisiting nutritional support for allogeneic hematologic stem cell transplantation-a systematic review. Bone Marrow Transplant 2017; 52:506-513. [PMID: 28067888 DOI: 10.1038/bmt.2016.310] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Revised: 10/05/2016] [Accepted: 10/17/2016] [Indexed: 12/22/2022]
Abstract
In 2009, the American Society of Parenteral and Enteral Nutrition and its European counterpart (Euopean Society for Parenteral and Enteral Nutrition) published guidelines regarding nutritional support of patients with hematologic stem cell transplantation. Our aim was to do an up-to-date literature review regarding benefit of nutritional interventions and treatment recommendations. We searched MEDLINE, EMBASE and Cochrane Library for interventional and observational clinical studies. We extracted data based on a predefined case report form and assessed bias. Out of 459 potential abstracts, 13 studies of mostly moderate quality with a total of 18 167 patients were included. Two very large trials reported negative associations of malnutrition and survival, transplant-related mortality and relapse risk. Some trials found enteral nutrition (EN) to be as effective as parenteral nutrition (PN) with lower complication rates. In addition, EN was associated with better survival, less acute GvHD and faster neutrophil recovery. A neutropenic diet was not superior regarding overall survival, but in contrast resulted in higher infection risk. Current moderate quality studies show negative associations of malnutrition and clinical outcomes, with EN being superior to PN. There was no benefit of neutropenic diets. Large, randomized controlled studies are needed to better understand optimal nutritional support in this patient population.
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