keyword
https://read.qxmd.com/read/38613330/retrospective-review-of-the-toxicities-and-change-in-dosing-patterns-for-pegaspargase-in-patients-with-acute-lymphoblastic-leukemia-lymphoma-and-t-cell-lymphoma
#1
JOURNAL ARTICLE
Grace Baek, Miryoung Kim, Madison Lee, Shan O'Connor, Lauren Held, Lars van der Laan, Ryan D Cassaday
INTRODUCTION: Pegaspargase (PEG) is a key component of standard regimens for acute lymphoblastic leukemia/lymphoma (ALL) and extranodal natural killer/T-cell lymphoma (NKTCL). Emerging evidence suggests an opportunity to decrease incidence of PEG-associated toxicities with dose capping, but evidence is limited. This study aims to evaluate whether a significant difference in PEG-associated toxicities related to dosing strategy exists and to identify patient-specific or regimen-specific factors for PEG-related toxicity...
April 13, 2024: Journal of Oncology Pharmacy Practice
https://read.qxmd.com/read/38613239/ecm1-and-krt6a-are-involved-in-tumor-progression-and-chemoresistance-in-the-effect-of-dexamethasone-on-pancreatic-cancer
#2
JOURNAL ARTICLE
Yoshiki Shinomiya, Yusuke Kouchi, Sakurako Harada-Kagitani, Takayuki Ishige, Shigetsugu Takano, Masayuki Ohtsuka, Jun-Ichiro Ikeda, Takashi Kishimoto
Pancreatic ductal adenocarcinoma (PDAC) has a very poor prognosis. Neoadjuvant chemotherapy is an effective PDAC treatment option, but chemotherapy causes unfavorable side effects. Glucocorticoids (e.g., dexamethasone [DEX]) are administered to reduce side effects of chemotherapy for solid tumors, including pancreatic cancer. Glucocorticoids have both beneficial and detrimental effects, however. We investigated the functional changes and gene-expression profile alterations induced by DEX in PDAC cells. PDAC cells were treated with DEX, and the cell proliferation, migration, invasion, and chemosensitivity to gemcitabine (GEM) were evaluated...
April 13, 2024: Cancer Science
https://read.qxmd.com/read/38613205/cinematic-rendering-a-new-look-at-pancreatic-neuroendocrine-tumour-imaging
#3
EDITORIAL
Philippe Soyer
No abstract text is available yet for this article.
April 12, 2024: Canadian Association of Radiologists Journal
https://read.qxmd.com/read/38613153/differential-contributions-of-g-protein-or-arrestin-subtype-mediated-signalling-underlie-urocortin-3-induced-somatostatin-secretion-in-pancreatic-%C3%AE-cells
#4
JOURNAL ARTICLE
Kai-Yu Wang, Ming-Xin Gao, Hai-Bo Qi, Wen-Tao An, Jing-Yu Lin, Shang-Lei Ning, Fan Yang, Peng Xiao, Jie Cheng, Wei Pan, Qiu-Xia Cheng, Jin Wang, Le Fang, Jin-Peng Sun, Xiao Yu
BACKGROUND AND PURPOSE: Pancreatic islets are modulated by cross-talk among different cell types and paracrine signalling plays important roles in maintaining glucose homeostasis. Urocortin 3 (UCN3) secreted by pancreatic β cells activates the CRF2 receptor (CRF2 R) and downstream pathways mediated by different G protein or arrestin subtypes in δ cells to cause somatostatin (SST) secretion, and constitutes an important feedback circuit for glucose homeostasis. EXPERIMENTAL APPROACH: Here, we used Arrb1-/- , Arrb2-/- , Gsfl/fl and Gqfl/fl knockout mice, the G11 -shRNA-GFPfl/fl lentivirus, as well as functional assays and pharmacological characterization to study how the coupling of Gs , G11 and β-arrestin1 to CRF2 R contributed to UCN3-induced SST secretion in pancreatic δ cells...
April 12, 2024: British Journal of Pharmacology
https://read.qxmd.com/read/38613031/calorie-restriction-using-high-fat-low-carbohydrate-diet-suppresses-liver-fat-accumulation-and-pancreatic-beta-cell-dedifferentiation-in-obese-diabetic-mice
#5
JOURNAL ARTICLE
Xiao Lei, Emi Ishida, Satoshi Yoshino, Shunichi Matsumoto, Kazuhiko Horiguchi, Eijiro Yamada
In diabetes, pancreatic β-cells gradually lose their ability to secrete insulin with disease progression. β-cell dysfunction is a contributing factor to diabetes severity. Recently, islet cell heterogeneity, exemplified by β-cell dedifferentiation and identified in diabetic animals, has attracted attention as an underlying molecular mechanism of β-cell dysfunction. Previously, we reported β-cell dedifferentiation suppression by calorie restriction, not by reducing hyperglycemia using hypoglycemic agents (including sodium-glucose cotransporter inhibitors), in an obese diabetic mice model ( db / db )...
March 28, 2024: Nutrients
https://read.qxmd.com/read/38612888/exploring-the-pathophysiology-of-atp-dependent-potassium-channels-in-insulin-resistance
#6
REVIEW
Nidia Samara Rodríguez-Rivera, Diana Barrera-Oviedo
Ionic channels are present in eucaryotic plasma and intracellular membranes. They coordinate and control several functions. Potassium channels belong to the most diverse family of ionic channels that includes ATP-dependent potassium (KATP) channels in the potassium rectifier channel subfamily. These channels were initially described in heart muscle and then in other tissues such as pancreatic, skeletal muscle, brain, and vascular and non-vascular smooth muscle tissues. In pancreatic beta cells, KATP channels are primarily responsible for maintaining the membrane potential and for depolarization-mediated insulin release, and their decreased density and activity may be related to insulin resistance...
April 6, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38612866/nuclear-mast4-suppresses-foxo3-through-interaction-with-akt3-and-induces-chemoresistance-in-pancreatic-ductal-carcinoma
#7
JOURNAL ARTICLE
Rina Fujiwara-Tani, Takamitsu Sasaki, Ujjal Kumar Bhawal, Shiori Mori, Ruiko Ogata, Rika Sasaki, Ayaka Ikemoto, Shingo Kishi, Kiyomu Fujii, Hitoshi Ohmori, Masayuki Sho, Hiroki Kuniyasu
Pancreatic ductal adenocarcinoma (PDAC) is highly malignant, with a 5-year survival rate of less than 10%. Furthermore, the acquisition of anticancer drug resistance makes PDAC treatment difficult. We established MIA-GEM cells, a PDAC cell line resistant to gemcitabine (GEM), a first-line anticancer drug, using the human PDAC cell line-MIA-PaCa-2. Microtubule-associated serine/threonine kinase-4 ( MAST4 ) expression was increased in MIA-GEM cells compared with the parent cell line. Through inhibitor screening, dysregulated AKT signaling was identified in MIA-GEM cells with overexpression of AKT3...
April 5, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38612768/protein-arginine-methyltransferases-in-pancreatic-ductal-adenocarcinoma-new-molecular-targets-for-therapy
#8
REVIEW
Kritisha Bhandari, Wei-Qun Ding
Pancreatic ductal adenocarcinoma (PDAC) is a lethal malignant disease with a low 5-year overall survival rate. It is the third-leading cause of cancer-related deaths in the United States. The lack of robust therapeutics, absence of effective biomarkers for early detection, and aggressive nature of the tumor contribute to the high mortality rate of PDAC. Notably, the outcomes of recent immunotherapy and targeted therapy against PDAC remain unsatisfactory, indicating the need for novel therapeutic strategies...
April 2, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38612727/micrornas-in-pancreatic-cancer-advances-in-biomarker-discovery-and-therapeutic-implications
#9
REVIEW
Roland Madadjim, Thuy An, Juan Cui
Pancreatic cancer remains a formidable malignancy characterized by high mortality rates, primarily attributable to late-stage diagnosis and a dearth of effective therapeutic interventions. The identification of reliable biomarkers holds paramount importance in enhancing early detection, prognostic evaluation, and targeted treatment modalities. Small non-coding RNAs, particularly microRNAs, have emerged as promising candidates for pancreatic cancer biomarkers in recent years. In this review, we delve into the evolving role of cellular and circulating miRNAs, including exosomal miRNAs, in the diagnosis, prognosis, and therapeutic targeting of pancreatic cancer...
March 31, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38612640/glucagon-like-peptide-1-glucose-dependent-insulinotropic-polypeptide-and-glucagon-receptor-agonists-in-metabolic-dysfunction-associated-steatotic-liver-disease-novel-medication-in-new-liver-disease-nomenclature
#10
REVIEW
Lampros G Chrysavgis, Spyridon Kazanas, Konstantina Bafa, Sophia Rozani, Maria-Evangelia Koloutsou, Evangelos Cholongitas
Glucagon-like peptide 1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP) are incretins that regulate postprandial glucose regulation, stimulating insulin secretion from pancreatic β-cells in response to food ingestion. Modified GLP-1 receptor agonists (GLP-1RAs) are being administered for the treatment of obesity and type 2 diabetes mellitus (T2DM). Strongly related to those disorders, metabolic dysfunction-associated steatotic liver disease (MASLD), especially its aggressive form, defined as metabolic dysfunction-associated steatohepatitis (MASH), is a major healthcare burden associated with high morbidity and extrahepatic complications...
March 29, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38612627/the-role-of-endocrine-disruption-chemical-regulated-aryl-hydrocarbon-receptor-activity-in-the-pathogenesis-of-pancreatic-diseases-and-cancer
#11
REVIEW
Kyounghyun Kim
The aryl hydrocarbon receptor (AHR) serves as a ligand-activated transcription factor crucial for regulating fundamental cellular and molecular processes, such as xenobiotic metabolism, immune responses, and cancer development. Notably, a spectrum of endocrine-disrupting chemicals (EDCs) act as agonists or antagonists of AHR, leading to the dysregulation of pivotal cellular and molecular processes and endocrine system disruption. Accumulating evidence suggests a correlation between EDC exposure and the onset of diverse pancreatic diseases, including diabetes, pancreatitis, and pancreatic cancer...
March 29, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38612598/isorhamnetin-alleviates-mitochondrial-injury-in-severe-acute-pancreatitis-via-modulation-of-kdm5b-htra2-signaling-pathway
#12
JOURNAL ARTICLE
Xiaojuan Li, Tao Wang, Qilong Zhou, Fan Li, Ting Liu, Kun Zhang, Ao Wen, Lijuan Feng, Xiaoling Shu, Simin Tian, Yijiang Liu, Yu Gao, Qing Xia, Guang Xin, Wen Huang
Severe acute pancreatitis (SAP), a widespread inflammatory condition impacting the abdomen with a high mortality rate, poses challenges due to its unclear pathogenesis and the absence of effective treatment options. Isorhamnetin (ISO), a naturally occurring flavonoid, demonstrates robust antioxidant and anti-inflammatory properties intricately linked to the modulation of mitochondrial function. However, the specific protective impact of ISO on SAP remains to be fully elucidated. In this study, we demonstrated that ISO treatment significantly alleviated pancreatic damage and reduced serum lipase and amylase levels in the mouse model of SAP induced by sodium taurocholate (STC) or L-arginine...
March 28, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38612567/decoding-the-versatile-landscape-of-autophagic-protein-vmp1-in-cancer-a-comprehensive-review-across-tissue-types-and-regulatory-mechanisms
#13
REVIEW
Felipe J Renna, Claudio D Gonzalez, Maria I Vaccaro
Autophagy, a catabolic process orchestrating the degradation of proteins and organelles within lysosomes, is pivotal for maintaining cellular homeostasis. However, its dual role in cancer involves preventing malignant transformation while fostering progression and therapy resistance. Vacuole Membrane Protein 1 (VMP1) is an essential autophagic protein whose expression, per se, triggers autophagy, being present in the whole autophagic flux. In pancreatic cancer, VMP1-whose expression is linked to the Kirsten Rat Sarcoma Virus (KRAS) oncogene-significantly contributes to disease promotion, progression, and chemotherapy resistance...
March 28, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38612551/collagen-lattice-model-populated-with-heterogeneous-cancer-associated-fibroblasts-facilitates-advanced-reconstruction-of-pancreatic-cancer-microenvironment
#14
JOURNAL ARTICLE
Xiaoyu Song, Yuma Nihashi, Yukiko Imai, Nobuhito Mori, Noritaka Kagaya, Hikaru Suenaga, Kazuo Shin-Ya, Masamichi Yamamoto, Daiki Setoyama, Yuya Kunisaki, Yasuyuki S Kida
Pancreatic ductal adenocarcinoma (PDAC) is a solid-tumor malignancy. To enhance the treatment landscape of PDAC, a 3D model optimized for rigorous drug screening is essential. Within the PDAC tumor microenvironment, a dense stroma comprising a large extracellular matrix and cancer-associated fibroblasts (CAFs) is well-known for its vital role in modulating tumor growth, cellular heterogeneity, bidirectional paracrine signaling, and chemoresistance. In this study, we employed a fibroblast-populated collagen lattice (FPCL) modeling approach that has the ability to replicate fibroblast contractility in the collagenous matrix to build dense stroma...
March 27, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38612494/adjustments-of-the-phytochemical-profile-of-broccoli-to-low-and-high-growing-temperatures-implications-for-the-bioactivity-of-its-extracts
#15
JOURNAL ARTICLE
Ivana Šola, Daria Gmižić, Marija Pinterić, Ana Tot, Jutta Ludwig-Müller
Climate change causes shifts in temperature patterns, and plants adapt their chemical content in order to survive. We compared the effect of low (LT) and high (HT) growing temperatures on the phytochemical content of broccoli ( Brassica oleracea L. convar. botrytis (L.) Alef. var. cymosa Duch.) microgreens and the bioactivity of their extracts. Using different spectrophotometric, LC-MS/MS, GC-MS, and statistical methods, we found that LT increased the total phenolics and tannins in broccoli. The total glucosinolates were also increased by LT; however, they were decreased by HT...
March 26, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38612466/unveiling-anti-diabetic-potential-of-baicalin-and-baicalein-from-baikal-skullcap-lc-ms-in-silico-and-in-vitro-studies
#16
JOURNAL ARTICLE
Wencheng Zhao, Huizi Cui, Kaifeng Liu, Xiaotang Yang, Shu Xing, Wannan Li
Type 2 diabetes mellitus (T2DM) is marked by persistent hyperglycemia, insulin resistance, and pancreatic β-cell dysfunction, imposing substantial health burdens and elevating the risk of systemic complications and cardiovascular diseases. While the pathogenesis of diabetes remains elusive, a cyclical relationship between insulin resistance and inflammation is acknowledged, wherein inflammation exacerbates insulin resistance, perpetuating a deleterious cycle. Consequently, anti-inflammatory interventions offer a therapeutic avenue for T2DM management...
March 25, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38611882/characterization-of-the-structure-and-physicochemical-properties-of-soluble-dietary-fiber-from-peanut-shells-prepared-by-pulsed-electric-fields-with-three-phase-partitioning
#17
JOURNAL ARTICLE
Rui Fan, Lei Wang, Huihui Cao, Ruihuan Du, Shuo Yang, Yanhua Yan, Baiqin Zheng
This study evaluated the impact of pulsed electric fields (PEFs) combined with three-phase partitioning (TPP) extraction methods on the physicochemical properties, functional properties, and structural characterization of the soluble dietary fiber (SDF) derived from peanut shells (PS). The findings of this study indicated that the application of a PEF-TPP treatment leads to a notable improvement in both the extraction yield and purity of SDF. Consequently, the PEF-TPP treatment resulted in the formation of more intricate and permeable structures, a decrease in molecular weight, and an increase in thermal stability compared to SDFs without TPP treatment...
April 3, 2024: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://read.qxmd.com/read/38611831/-streptococcus-thermophilus-a-source-of-postbiotics-displaying-anti-inflammatory-effects-in-thp-1-macrophages
#18
JOURNAL ARTICLE
Rania Allouche, Zeeshan Hafeez, Annie Dary-Mourot, Magali Genay, Laurent Miclo
In addition to traditional use in fermented dairy products, S. thermophilus also exhibits anti-inflammatory properties both in live and heat-inactivated form. Recent studies have highlighted that some hydrolysates from surface proteins of S. thermophilus could be responsible partially for overall anti-inflammatory activity of this bacterium. It was hypothesized that anti-inflammatory activity could also be attributed to peptides resulting from the digestion of intracellular proteins of S. thermophilus . Therefore, total intracellular proteins (TIP) from two phenotypically different strains, LMD-9 and CNRZ-21N, were recovered by sonication followed by ammonium sulphate precipitation...
March 30, 2024: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://read.qxmd.com/read/38611692/the-doppler-perfusion-index-of-the-liver-and-the-underlying-duplex-sonography-of-visceral-vessels-a-systematic-and-comprehensive-evaluation-of-reproducibility
#19
JOURNAL ARTICLE
Christian Lueders, Johannes Gladitz, Georg Bauer, Christian Jenssen, Jana Belaschki, Arndt von Kirchbach, Christoph Schneider, Thomas Kiefer, Heinz Voeller, Daniel Merkel
Prior to the curative resection of colorectal carcinoma (CRC) or pancreatic ductal adenocarcinoma (PDAC), the exclusion of hepatic metastasis using cross-sectional imaging is mandatory. The Doppler perfusion index (DPI) of the liver is a promising method for detecting occult liver metastases, but the underlying visceral duplex sonography is critically viewed in terms of its reproducibility. The aim of this study was to investigate systematically the reproducibility of the measured variables, the calculated blood flow, and the DPI...
April 8, 2024: Diagnostics
https://read.qxmd.com/read/38611638/three-dimensional-structure-of-novel-liver-cancer-biomarker-liver-cancer-specific-serine-protease-inhibitor-kazal-lc-spik-and-its-performance-in-clinical-diagnosis-of-hepatocellular-carcinoma-hcc
#20
REVIEW
Felix Lu, Connor Ott, Prabha Bista, Xuanyong Lu
LC-SPIK is a liver cancer-specific isoform of Serine Protease Inhibitor Kazal and has been proposed as a new biomarker for the detection of HCC given its unique 3D structure, which differs from normal pancreatic SPIK. An ELISA technology based on its unique structure was developed to use LC-SPIK as an effective biomarker for the clinical diagnosis of HCC. AFP, the most widely used biomarker for HCC surveillance currently, suffers from poor clinical performance, especially in the detection of early-stage HCC...
March 29, 2024: Diagnostics
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