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Investigation of the preventive effect of methylsulfonylmethane on alveolar bone loss and oxidative stress in a rat model of periodontitis.
BMC Oral Health
January 2025
Department of Histology and Embryology, Faculty of Medicine, Ondokuz Mayıs University, Samsun, Turkey.
Background: To investigate the preventive efficacy of methylsulfonylmethane (MSM) on alveolar bone destruction in rats with periodontitis.
Methods: Twenty-four male Sprague-Dawley rats were randomly divided into three groups: control, experimental periodontitis (Ep), and Ep-MSM. Periodontitis was induced by placing 4.
Transcriptome analysis of novel B16 melanoma metastatic variants generated by serial intracarotid artery injection.
Acta Neuropathol Commun
January 2025
Department of Neurosurgery, University of California, Los Angeles, CA, USA.
The incidence of brain metastases (BrM) in patients with metastatic melanoma is reported to be 30-50% and constitutes the third most frequent BrM after breast and renal cancers. Treatment strategies including surgical resection, stereotactic radiation, and immunotherapy have improved clinical response rates and overall survival, but the changes that occur in circulating melanoma cells to promote invasion of the brain are not fully understood. To investigate brain tropism, we generated new variants of the B16 mouse melanoma model by serially passaging B16 cells through the brain of immune competent syngeneic C57BL/6 mice.
View Article and Find Full Text PDFEvaluation of radiation therapy on grafted and non-grafted defects: an experimental rat model.
J Appl Oral Sci
January 2025
Universidade Federal de Uberlândia, Faculdade de Odontologia, Departamento de Periodontia e Implantodontia, Uberlândia, Brasil.
Objective: This study aimed to assess the effects of a single-dose radiation therapy (15 Gy) on grafted and non-grafted defects, bone microarchitecture, and collagen maturity.
Methodology: Bone defects were surgically created in rat femurs. The right femur defect was filled with blood clot (group "Clot") and the left femur defect by deproteinized bovine bone mineral graft (group "Xenograft").
STAT6 deficiency mitigates the severity of pulmonary arterial hypertension caused by chronic intermittent hypoxia by suppressing Th2-inducing cytokines.
Respir Res
January 2025
Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
Background: Obstructive sleep apnea (OSA) is frequently associated with increased incidence and mortality of pulmonary hypertension (PH). The immune response contributes to pulmonary artery remodeling and OSA-related diseases. The immunologic factors linked to OSA-induced PH are not well understood.
View Article and Find Full Text PDFStrong immune responses and robust protection following a novel protein in adjuvant tuberculosis vaccine candidate.
Sci Rep
January 2025
The Jenner Institute, University of Oxford, Oxford, UK.
BCG remains the only licensed vaccine for tuberculosis (TB), but its efficacy wanes over time. Subunit vaccines, aim to improve BCG immunity and protection, by inducing responses to a few mycobacterial antigens delivered with a specific platform. Since the platform shapes the immune response induced, selecting the right platform has been challenging due to the lack of immune correlates of protection.
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