Publications by authors named "Kent G Krejci"

Article Synopsis
  • Antibiotic resistance in gram-negative bacteria is significantly increasing, highlighting the need for new prevention strategies.
  • A study developed a vaccine targeting FimH, a protein involved in bacterial adhesion, to prevent recurrent urinary tract infections (UTIs).
  • The phase 1 trial involved 67 healthy women and showed that the vaccine was safe, well-tolerated, and induced strong antibody responses, leading to plans for further phase 2 testing.
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Expression of B7-H1, a costimulating glycoprotein in the B7 family, is normally restricted to macrophage-lineage cells, providing a potential costimulatory signal source for regulation of T cell activation. In contrast, aberrant expression of B7-H1 by tumor cells has been implicated in impairment of T cell function and survival, resulting in defective host antitumoral immunity. The relationship between tumor-associated B7-H1 and clinical cancer progression is unknown.

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Purpose: For decades urologists have successfully used immunotherapy in the battle against cancer. Interleukin-2 in renal cell carcinoma and bacillus Calmette-Guerin in bladder cancer are standard primary and/or adjunctive therapies for these diseases. Recent advances in our understanding of mechanisms governing immune system activation have fostered a myriad of novel immunotherapeutic approaches that show great promise in vivo but have had limited success in human trials to date.

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Objectives: To determine the clinicopathologic features associated with outcome in patients with sporadic renal cell carcinoma (RCC) treated with nephron-sparing surgery.

Methods: We studied 344 patients treated with nephron-sparing surgery between 1970 and 2000. The pathologic features of the tumors were reviewed by two urologic pathologists who recorded the histologic subtype, 2003 TNM stage, tumor size, and grade.

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Nephron-sparing surgery (NSS) is a mandatory procedure for patients with solid renal masses who also have coexisting urologic or medical conditions that pose a threat to overall renal function. The excellent results observed with this procedure have led patients with normal contralateral kidneys to choose elective NSS as a treatment modality. However, the optimal selection criteria for NSS have not yet been defined.

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