{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,21]],"date-time":"2026-07-21T12:32:42Z","timestamp":1784637162732,"version":"3.55.0"},"reference-count":22,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2022,10,27]],"date-time":"2022-10-27T00:00:00Z","timestamp":1666828800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Russian Science Foundation","award":["22-15-00149"],"award-info":[{"award-number":["22-15-00149"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Microorganisms"],"abstract":"<jats:p>Intestinal complications are common after allogeneic hematopoietic stem cell transplantation (allo-HSCT). However, only scarce data concern herpesvirus incidence in the colonic mucosa post-HSCT. Our purpose was to assess the frequency and clinical significance of cytomegalovirus (CMV), Epstein\u2013Barr virus (EBV), human herpesvirus type 6 (HHV6), and herpes simplex virus (HSV) in the colonic mucosa post-HSCT. The study group included 119 patients of different ages, mostly with leukemias and lymphomas, subjected to allo-HSCT from haploidentical related (48%) or HLA-compatible donors (52%). In total, 155 forceps biopsies of the colonic mucosa were taken in cases of severe therapy-resistant intestinal syndrome post-HSCT. Most samples were taken from the descending, sigmoid, and transverse colon. Intestinal GVHD or local infections were assessed clinically and by histology. EBV, CMV, HSV, and HHV6 were tested in colonic mucosal lysates with commercial PCR assays. HSV was found in &lt;8% of colonic samples, along with high HHV6 and CMV positivity (up to 62% and 35%, respectively) and a higher EBV incidence at 5\u20136 months post-HSCT (35%). For CMV and EBV, significant correlations were revealed between their rates of detection in blood and colonic mucosa (r = 0.489 and r = 0.583; p &lt; 0.05). No significant relationships were found between the presence of herpesviruses and most patients\u2019 characteristics. EBV positivity in colonic samples was correlated with delayed leukocyte and platelet recovery post-HSCT. Higher EBV frequency in the colonic mucosa was found in deceased patients (56% versus 21%, p = 0.02). The correlations among EBV positivity in the colon, lethality rates and delayed hematopoietic reconstitution suggest some relationship with systemic and local EBV reactivation post-transplant.<\/jats:p>","DOI":"10.3390\/microorganisms10112128","type":"journal-article","created":{"date-parts":[[2022,10,27]],"date-time":"2022-10-27T22:36:17Z","timestamp":1666910177000},"page":"2128","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Incidence of Common Herpesviruses in Colonic Mucosal Biopsies Following Hematopoietic Stem Cell Transplantation"],"prefix":"10.3390","volume":"10","author":[{"given":"Oleg V.","family":"Goloshchapov","sequence":"first","affiliation":[{"name":"R. Gorbacheva Memorial Research Institute of Pediatric Oncology, Hematology and Transplantation, Pavlov University, St. Petersburg 197022, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexander N.","family":"Shvetsov","sequence":"additional","affiliation":[{"name":"R. Gorbacheva Memorial Research Institute of Pediatric Oncology, Hematology and Transplantation, Pavlov University, St. Petersburg 197022, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexey B.","family":"Chukhlovin","sequence":"additional","affiliation":[{"name":"R. Gorbacheva Memorial Research Institute of Pediatric Oncology, Hematology and Transplantation, Pavlov University, St. Petersburg 197022, Russia"},{"name":"Pediatric Research Clinical Center of Infectious Diseases, St. Petersburg 197022, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna A.","family":"Spiridonova","sequence":"additional","affiliation":[{"name":"R. Gorbacheva Memorial Research Institute of Pediatric Oncology, Hematology and Transplantation, Pavlov University, St. Petersburg 197022, Russia"},{"name":"St. Petersburg Pasteur Institute, St. Petersburg 197101, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria D.","family":"Vladovskaya","sequence":"additional","affiliation":[{"name":"R. Gorbacheva Memorial Research Institute of Pediatric Oncology, Hematology and Transplantation, Pavlov University, St. Petersburg 197022, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ludmila S.","family":"Zubarovskaya","sequence":"additional","affiliation":[{"name":"R. Gorbacheva Memorial Research Institute of Pediatric Oncology, Hematology and Transplantation, Pavlov University, St. Petersburg 197022, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9589-4136","authenticated-orcid":false,"given":"Alexander D.","family":"Kulagin","sequence":"additional","affiliation":[{"name":"R. Gorbacheva Memorial Research Institute of Pediatric Oncology, Hematology and Transplantation, Pavlov University, St. Petersburg 197022, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,10,27]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"655","DOI":"10.1007\/s00281-019-00769-w","article-title":"Resolution of acute intestinal graft-versus-host disease","volume":"41","author":"Thiagarajan","year":"2019","journal-title":"Semin. 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