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Filename: controllers/Detail.php
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Function: _error_handler
File: /var/www/html/index.php
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Function: require_once
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Filename: controllers/Detail.php
Line Number: 249
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File: /var/www/html/application/controllers/Detail.php
Line: 249
Function: _error_handler
File: /var/www/html/index.php
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Function: require_once
Severity: Warning
Message: Trying to access array offset on value of type null
Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
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Function: _error_handler
File: /var/www/html/index.php
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Function: require_once
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Filename: controllers/Detail.php
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Function: _error_handler
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Function: formatAIDetailSummary
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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The extracellular matrix (ECM) is biochemically and biomechanically important for the structure and function of the mammary gland, which undergoes vast structural changes throughout pubertal and reproductive development. Although hyaluronan (HA) is a ubiquitous glycosaminoglycan (GAG) of the mammary gland ECM, extensive characterization of HA deposition in the mammary gland is lacking. Understanding physiologic HA metabolism is critical as this tightly controlled system is often hijacked in cancer. In the current studies, we characterize HA regulation throughout mammary gland development to better understand subsequent dysregulation of HA in mammary tumors. Using immunofluorescence (IF) imaging, we demonstrate that organized HA-rich septa exist in the mammary gland stroma throughout puberty, pregnancy, and involution. Furthermore, we find heterogeneous HA deposition within two murine models of breast cancer. Using cell specific isolation techniques, we characterize expression of genes associated with HA binding, synthesis, and degradation within EpCAM + epithelial cells, CD90.2 + fibroblasts, and F4/80 + macrophages isolated from mammary glands and tumors. Most notably, we identify elevated levels of the hyaluronidases Hyal1 and Hyal2 in tumor-association macrophages (TAMs), suggesting a role for TAM-mediated turnover of HA in the tumor microenvironment (TME). Gene expression is supported functionally by in vitro experiments in which macrophages treated with tumor-cell conditioned media exhibit increased hyaluronidase activity. These findings link TAMs to the direct degradation of HA within the TME of mammary tumors, which has negative implications for patient survival.
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http://dx.doi.org/10.1007/s10911-023-09528-y | DOI Listing |
Chem Commun (Camb)
December 2024
Department of Life Science and Technology, Institute of Science Tokyo, Nagatsuta 4259, Midori-ku, Yokohama 226-8501, Japan.
Extracellular vesicles (EVs) from cancer cells promote abnormal growth in normal cells, potentially leading to cancer proliferation. We developed a nanowire-based EV-elimination device that efficiently eliminated EVs without toxicity. This method restored normal growth in mammary gland cells cultured with breast adenocarcinoma-derived EVs containing medium treated with the device.
View Article and Find Full Text PDFBackground: In order to obtain a natural but athletic contour through liposuction, the management of the male pectoral region is constantly changing. Cutting-edge methods including mammary gland excision and fat grafting to the pectoralis major have been created. There isn't yet a single method that can handle all long-term problems, like gynecomastia with eventual loss of pectoral definition, fat graft asymmetries, and/or unnatural definition.
View Article and Find Full Text PDFInn Med (Heidelb)
December 2024
Klinische Andrologie des Centrum für Reproduktionsmedizin und Andrologie, Universitätsklinikum Münster, Domagkstr. 11, 48149, Münster, Deutschland.
Testosterone is a natural hormone which is an essential factor to maintain the physical and emotional well-being in men, regardless of age. Male hypogonadism is an endocrinal condition of testosterone deficiency with the potential to cause multiple physical complaints and psychosocial problems. The condition can be of primary (due to testicular injury), secondary (due to diseases of the hypothalamus or pituitary gland) or functional nature (due to comorbidities, such as inflammatory diseases, obesity, type 2 diabetes mellitus).
View Article and Find Full Text PDFInt J Biol Macromol
December 2024
College of Animal Medicine, Gansu Agricultural University, China; College of Zoology, Northwest Agriculture and Forestry University, China. Electronic address:
Background: Ruminants possess a rich repository of natural antimicrobial peptides(AMPs) within their bodies, surpassing those found in humans and mice. These peptides, including Defensin, Cathelicidin, and Lysozyme, are integral to the body's innate and adaptive immune responses and represent promising alternatives to antibiotics with significant application potential.
Results: In the present study, we conducted a systematic analysis of 40 Defensins, 38 Cathelicidins, and 61 Lysozymes in cattle and sheep.
Res Vet Sci
December 2024
Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, United States of America.
Delayed milk ejection (DME) could compromise udder health and milking performance. The objectives of this systematic review and meta-analysis were to (i) explore the current evidence, assess the risk of bias, and identify the knowledge gaps in published studies that investigated the effect of DME on udder health and milking performance in dairy cows, and (ii) quantify the magnitude of the difference in milk yield per milking session (MY), milking duration (MD), and peak milk flow rate (PFR) between cows with and without DME. We performed the current systematic review and meta-analysis according to PRISMA 2020 statement.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!