A structure-activity relationship study was conducted on a series of tetrahydro-beta-carboline-1-carboxylic acid analogs in order to identify the key functionality responsible for activity against the mitogen-activated protein kinase-activated protein kinase 2 enzyme (MK-2). The compounds were further evaluated for their ability to inhibit TNFalpha production in U937 cells and in vivo. These compounds represent a novel structural class of compounds capable of inhibiting MK-2 with remarkable selectivity.
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http://dx.doi.org/10.1016/j.bmcl.2007.05.070 | DOI Listing |
Am J Surg Pathol
January 2025
Department of Pathology, Johns Hopkins University, Baltimore, MD.
Low-grade gliomas and reactive piloid gliosis can present with overlapping features on conventional histology. Given the large implications for patient treatment, there is a need for effective methods to discriminate these morphologically similar but clinically distinct entities. Using routinely available stains, we hypothesize that a limited panel including SOX10, p16, and cyclin D1 may be useful in differentiating mitogen-activated protein (MAP) kinase-activated low-grade gliomas from piloid gliosis.
View Article and Find Full Text PDFCell Death Dis
January 2025
Division of Hematology and Oncology, Department of Pediatrics, Penn State College of Medicine, Hershey, PA, USA.
The association of necrosis in tumors with poor prognosis implies a potential tumor-promoting role. However, the mechanisms underlying cell death in this context and how damaged tissue contributes to tumor progression remain unclear. Here, we identified p38 mitogen-activated protein kinases (p38 MAPK, a.
View Article and Find Full Text PDFJ Biol Chem
January 2025
Department of Biological Sciences, Moravian University, 1200 Main Street, Bethlehem, PA 18018, USA. Electronic address:
Phosphorylation of connexin 43 (Cx43) is an important regulatory mechanism of gap junction (GJ) function. Cx43 is modified by several kinases on over 15 sites within its ∼140 amino acid-long C-terminus (CT). Phosphorylation of Cx43CT on S255, S262, S279, and S282 by ERK has been widely documented in several cell lines, by many investigators.
View Article and Find Full Text PDFWorld J Oncol
December 2024
Department of Radiation Oncology, University of Kansas Medical Center, Kansas City, KS, USA.
Background: Bladder cancer patients unable to receive cystectomy or who choose to pursue organ-sparing approach are managed with definitive (chemo)radiotherapy. However, this standard of care has not evolved in decades and disease recurrence and survival outcomes remain poor. Identifying novel therapies to combine with radiotherapy (RT) is therefore paramount to improve overall patient outcomes and survival.
View Article and Find Full Text PDFJ Microbiol Biotechnol
December 2024
Environmental Diseases Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea.
Shiga toxins (Stxs), produced by serotype 1 and certain pathotypes, cause hemorrhagic colitis, which can progress to hemolytic uremic syndrome (HUS) and central nervous system (CNS) pathology. The underlying mechanisms of toxin-induced inflammation remain unclear. The p38 mitogen-activated protein kinase (MAPK) and its downstream target, MAPKAPK2 (MK2), play key roles in various cellular responses.
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