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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
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Given the mounting interest in studying the effects of various cancer preventive regimes on the angiogenic process in autochthonously growing mammary tumors, the experiment reported here was conducted to identify factors that should be considered in the collection of data from experiments in which a primary endpoint is the measurement of blood vessel density as a reflection of angiogenic activity. Female Sprague-Dawley rats were injected i.p. with 50 mg 1-methyl-1-nitrosourea (MNU)/kg body weight at 21 days of age. Tumor-bearing rats were killed 35 days post-carcinogen. Immunohistochemical detection of blood vessels using antiserum directed against the CD31 epitope was performed on paraffin sections of 36 carcinomas representing four histological types. Census counting was used to detect all blood vessels that were subsequently divided into one of five vessel size categories. Vessels were counted in both the intra-tumoral region and in a 50 microm width band of mammary tissue circumscribing each tumor; the circumscribed area was referred to as the extra-tumoral region. Vascular density was reported in units of vessel counts or vessel area per unit of assessed area. Overall, vascular density was observed to be highly variable and was not affected by tumor histology. Vascular density in the extra-tumoral region was significantly higher than in the intra-tumoral region. Correlation analyses indicated that similar information was obtained when vascular density was reported as either vessel counts or vessel area; however, correlations across vessel size categories and between the intra-tumoral and extra-tumoral regions were low and generally not statistically significant. Collectively, the data provide a complete description of vascularization in autochthonously growing mammary tumors, and a reference for comparison in studies of various cancer preventive agents that modulate the angiogenic process.
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http://dx.doi.org/10.1093/carcin/23.5.847 | DOI Listing |
Front Cell Dev Biol
December 2024
Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russia.
Introduction: T-cadherin, a non-canonical member of the cadherin superfamily, was initially identified for its involvement in homophilic recognition within the nervous and vascular systems. Apart from its adhesive function, T-cadherin acts as a receptor for two ligands: LDL, contributing to atherogenic processes, and HMW adiponectin, a hormone with well-known cardiovascular protective properties. However, the precise role of T-cadherin in adipose tissue remains elusive.
View Article and Find Full Text PDFDiabetes Metab Syndr Obes
December 2024
Department of Nephrology, Baoding No 1 Central Hospital, Baoding, Hebei, People's Republic of China.
Background: This research aimed to identify risk factors contributing to premature maturation of arteriovenous fistulas (AVF) in elderly diabetic patients and develop a clinical prediction model.
Methods: We conducted a retrospective review of 548 geriatric diabetic patients who underwent AVF creation for maintenance hemodialysis (MHD) at Baoding No 1 Central Hospital between January 2011 and December 2023. Patients were divided into mature (386) and immature (162) groups based on AVF maturation status.
Int J Biol Macromol
December 2024
Institute of Lipid Metabolism and Atherosclerosis, School of Pharmacy, Shandong Second Medical University, Weifang 261053, China. Electronic address:
Proprotein convertase subtilisin/kexin type 9 (PCSK9) is known to promote hyperlipidemia primarily by inducing the degradation of the low-density lipoprotein receptor. Notably, recent studies have demonstrated that PCSK9 promotes inflammation in the vascular system, however, the roles of PCSK9 in hepatic inflammation remain unclear. As PCSK9 is primarily expressed in the liver, this study aimed to elucidate the roles of PCSK9 and the underlying mechanisms in lipopolysaccharide (LPS)-challenged hepatocytes.
View Article and Find Full Text PDFBMC Ophthalmol
December 2024
Eye Hospital, School of Ophthalmology and Optometry, Wenzhou Medical University, Wenzhou, China.
Background: Recent studies have indicated that oxidative stress is a crucial pathophysiological process in glaucoma. We hypothesized that Posner-Schlossman syndrome (PSS) is a vascular inflammation in the ciliary body due to oxidative stress and endothelial dysfunction. Thus, we investigated serum uric acid (UA) and lipid levels in patients with refractory PSS with the aim of providing basic evidence for the mechanism of PSS.
View Article and Find Full Text PDFJ Bone Miner Res
December 2024
Cardiovascular Research Laboratory, Spaulding Hospital Cambridge, Cambridge, MA.
Bone vasculature is richly innervated by an extensive network of sympathetic nerves. However, our understanding of bone blood flow regulation and its contribution to human bone health is limited. Here, we further our previous findings by characterizing bone vascular responses in the absence of sympathetic control - studying individuals with spinal cord injury (SCI), a population with known peripheral sympathetic disruption.
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