Systemic dissemination and peri-prosthetic infection of Mycobacterium bovis (M. bovis) following intravesical Bacillus Calmette-Guerin (BCG) therapy presents a rare but significant complication of treatment for non-muscle invasive bladder carcinoma. We present a patient with Mycobacterium bovis infection of a prosthetic hip nine months following BCG therapy for bladder cancer. The debridement and (implant) prosthesis retention approach in conjunction with anti-tuberculous medication (DAIR) employed in this case, allowed the same prosthesis to be retained. This case report highlights the importance of physician awareness of the possibility BCG peri-prosthetic infections.
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http://dx.doi.org/10.4066/AMJ.2015.2475 | DOI Listing |
Am Surg
January 2025
Mercer University School of Medicine, Columbus, GA, USA.
Today's controversies of gain-of-function virological research and mRNA COVID vaccination policies had an antecedent nearly a century ago in an event often referred to as "the Lübeck disaster." From April through September 1930, 77 newborn infants in Lübeck, Germany, died after receiving oral BCG immunizations tainted with active human . The tragedy threatened to end BCG immunizations.
View Article and Find Full Text PDFExpert Opin Biol Ther
January 2025
Department of Urology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Introduction: Approximately 75% of bladder cancer cases are non-muscle invasive at diagnosis. Drug development for non-muscle invasive bladder cancer (NMIBC) has historically lagged behind that of other malignancies. No treatment has demonstrated the ability to overcome drug resistance that ultimately leads to recurrence and progression.
View Article and Find Full Text PDFMicroorganisms
December 2024
Department of Biochemistry and Molecular Biology, Oklahoma State University, Stillwater, OK 74078, USA.
Mycobacterial infections, caused by various species within the Mycobacterium genus, remain one of the main challenges to global health across the world. Understanding the complex interplay between the host and mycobacterial pathogens is essential for developing effective diagnostic and therapeutic strategies. Host long noncoding RNAs (lncRNAs) have emerged as key regulators in cellular response to bacterial infections within host cells.
View Article and Find Full Text PDFInt J Mol Sci
December 2024
Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore.
Loss of the glutathione-S-transferases Theta 2 (Gstt2) expression is associated with an improved response to intravesical , Bacillus Calmette-Guérin (BCG) immunotherapy for non-muscle-invasive bladder cancer (NMIBC) patients who receive fewer BCG instillations. To delineate the cause, Gstt2 knockout (KO) and wildtype (WT) C57Bl/6J mice were implanted with tumors before treatment with BCG or saline. RNA was analyzed via single-cell RNA sequencing (scRNA-seq) and real-time polymerase chain reaction (RT-PCR).
View Article and Find Full Text PDFIt is established that BCG vaccination results in the development of both a specific immune response to mycobacterial infections and a nonspecific (heterologous) immune response, designated as trained immunity (TRIM), to other pathogens. We hypothesized that local BCG immunization may induce an early immune response in bone marrow and spleen innate immunity cells. The early transcriptomic response of various populations of innate immune cells, including monocytes, neutrophils, and natural killer (NK) cells, to BCG vaccination was examined.
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