keyword
https://read.qxmd.com/read/38633792/long-lasting-cigarette-smoking-alterations-in-immune-function-occur-in-cannabis-smokers-possibly-rendering-them-vulnerable-to-smoking-related-tumors-in-later-life
#1
Steven Lehrer, Peter H Rheinstein
BACKGROUND: Active cigarette smoking leads to increased CXCL5 production. CXCL5 mediates the immune response by attracting immune cells to areas of inflammation. Elevated CXCL5 levels are associated with various inflammatory diseases and tumorigenesis. In addition, smoking is linked to an increase in the level of the cytokine CEACAM6 in the bloodstream of smokers. CEACAM6 is increased in pancreatic adenocarcinoma, breast cancer, non⍰small cell lung cancer, gastric cancer, colon cancer and other cancers and promotes tumor progression, invasion, and metastasis...
April 1, 2024: medRxiv
https://read.qxmd.com/read/38627014/acquisition-duration-optimization-using-visual-grading-regression-in-68-ga-fapi-46-pet-imaging-of-oncologic-patients
#2
JOURNAL ARTICLE
Ted Nilsson, Pawel Rasinski, Örjan Smedby, Siri Af Burén, Ernesto Sparrelid, J Matthias Löhr, Thuy A Tran, August Blomgren, Antonios Tzortzakakis, Rimma Axelsson, Maria Holstensson
Fibroblast activation protein is a promising target for oncologic molecular imaging with radiolabeled fibroblast activation protein inhibitors (FAPI) in a large variety of cancers. However, there are yet no published recommendations on how to set up an optimal imaging protocol for FAPI PET/CT. It is important to optimize the acquisition duration and strive toward an acquisition that is sufficiently short while simultaneously providing sufficient image quality to ensure a reliable diagnosis. The aim of this study was to evaluate the feasibility of reducing the acquisition duration of [68 Ga]FAPI-46 imaging while maintaining satisfactory image quality, with certainty that the radiologist's ability to make a clinical diagnosis would not be affected...
April 16, 2024: Journal of Nuclear Medicine Technology
https://read.qxmd.com/read/38625602/defining-distal-splenopancreatectomy-by-the-mesopancreas
#3
JOURNAL ARTICLE
S-A Safi, A Alexander, W Neuhuber, L Haeberle, A Rehders, T Luedde, I Esposito, G Fluegen, W T Knoefel
BACKGROUND: The implementation of the pathologic CRM (circumferential resection margin) staging system for pancreatic head ductal adenocarcinomas (hPDAC) resulted in a dramatic increase of R1 resections at the dorsal resection margin, presumably because of the high rate of mesopancreatic fat (MP) infiltration. Therefore, mesopancreatic excision (MPE) during pancreatoduodenectomy has recently been promoted and has demonstrated better local disease control, fueling the discussion of neoadjuvant downsizing regimes in MP + patients...
April 16, 2024: Langenbeck's Archives of Surgery
https://read.qxmd.com/read/38623919/donor-preactivation-based-glycan-assembly-from-manual-to-automated-synthesis
#4
JOURNAL ARTICLE
Wenlong Yao, Xin-Shan Ye
ConspectusCarbohydrates are called the third chain of life. Carbohydrates participate in many important biochemical functions in living species, and the biological information carried by them is several orders of magnitude larger than that of nucleic acids and proteins. However, due to the intrinsic complexity and heterogeneity of carbohydrate structures, furnishing pure and structurally well-defined glycans for functional studies is a formidable task, especially for homogeneous large-size glycans. To address this issue, we have developed a donor preactivation-based one-pot glycosylation strategy enabling multiple sequential glycosylations in a single reaction vessel...
April 15, 2024: Accounts of Chemical Research
https://read.qxmd.com/read/38622664/selective-epigenetic-alterations-in-rnf43-in-pancreatic-exocrine-cells-from-high-fat-diet-induced-obese-mice-implications-for-pancreatic-cancer
#5
JOURNAL ARTICLE
Tomoyuki Araki, Naofumi Miwa
OBJECTIVE: Pancreatic cancer (PC) originates and progresses with genetic mutations in various oncogenes and suppressor genes, notably KRAS, CDKN2A, TP53, and SMAD4, prevalent across diverse PC cells. In addition to genetic mutations/deletions, persistent exposure to high-risk factors, including obesity, induces whole-genome scale epigenetic alterations contributing to malignancy. However, the impact of obesity on DNA methylation in the presymptomatic stage, particularly in genes prone to PC mutation, remains uncharacterized...
April 15, 2024: BMC Research Notes
https://read.qxmd.com/read/38614035/insm1-is-a-useful-neuroendocrine-marker-to-differentiate-pancreatic-serous-cystadenoma-from-pancreatic-well-differentiated-neuroendocrine-tumors-in-cytology-and-surgical-specimens
#6
JOURNAL ARTICLE
Zhikai Chi, Jing Xu, Dipti M Karamchandani, Lan Peng
INTRODUCTION: Differentiating pancreatic serous cystadenoma (SCA) from well-differentiated neuroendocrine tumors (WDNETs) based on histomorphology is critical yet challenging, particularly in small biopsy samples. Our study aimed to examine the expression profile of INSM1 in cytologic and surgical resection specimens from pancreatic SCA to evaluate its potential as a discriminative marker against pancreatic WDNET. METHODS: We characterized INSM1 immunohistochemistry in 34 patients with pancreatic SCA, comprising 23 surgical resections and 11 cytology specimens...
April 9, 2024: Annals of Diagnostic Pathology
https://read.qxmd.com/read/38608641/an-improvement-method-for-pancreas-ct-segmentation-using-superpixel-based-active-contour
#7
JOURNAL ARTICLE
Huayu Gao, Jing Li, Nanyan Shen, Liang Liu, Ying Yang, Peng Hu, Wei Lu
Pancreas is one of the most challenging organs for CT image automatic segmentation due to its complex shapes and fuzzy edges. It is simple and universal to use the traditional segmentation method as a post-processor of deep learning method for segmentation accuracy improvement. As the most suitable traditional segmentation method for pancreatic segmentation, the active contour model(ACM), still suffers from the problems of weak boundary leakage and slow contour evolution speed. Therefore, a convenient post-processor for any deep learning methods using superpixel-based active contour model(SbACM) is proposed to improve the segmentation accuracy...
April 12, 2024: Physics in Medicine and Biology
https://read.qxmd.com/read/38594436/serum-lactate-is-an-indicator-for-short-term-and-long-term-mortality-in-patients-with-acute-pancreatitis
#8
JOURNAL ARTICLE
Zhao Zeng, Rong Huang, Hang Lin, Hongchun Peng, Ju Luo, Ning Ding
BACKGROUND: Serum lactate, as a single and an easily available biomarker, has been applied in various diseases. AIMS: In this study, we aimed to explore the predictive value of serum lactate for short-term and long-term prognosis in acute pancreatitis (AP) admitted in intensive care unit (ICU) based on a large-scale database. METHODS: AP patients admitted in ICU in the MIMIC-IV database were included. We constructed three different models to investigate the relationships between serum lactate and clinical outcomes, including 30-day, 180-day and 1-year mortality in AP...
April 9, 2024: Digestive Diseases and Sciences
https://read.qxmd.com/read/38592545/a-retrospective-multicentre-clinical-study-on-management-of-isolated-splenic-vein-thrombosis-risks-and-benefits-of-anticoagulation
#9
MULTICENTER STUDY
A M Eltweri, M Basamh, Y Y Ting, M Harris, G Garcea, L L Kuan
INTRODUCTION: Isolated splenic vein thrombosis (iSVT) is a common complication of pancreatic disease. Whilst patients remain asymptomatic, there is a risk of sinistral portal hypertension and subsequent bleeding from gastric varices if recanalisation does not occur. There is wide variation of iSVT treatment, even within single centres. We report outcomes of iSVT from tertiary referral hepatobiliary and pancreatic (HPB) units including the impact of anticoagulation on recanalisation rates and subsequent variceal bleeding risk...
April 9, 2024: Langenbeck's Archives of Surgery
https://read.qxmd.com/read/38588810/ancestral-sequence-reconstruction-dissects-structural-and-functional-differences-among-eosinophil-ribonucleases
#10
JOURNAL ARTICLE
Thi Thanh Quynh Tran, Chitra Narayanan, Andrea N Loes, Timothy H Click, N T Hang Pham, Myriam Létourneau, Michael J Harms, Charles Calmettes, Pratul K Agarwal, Nicolas Doucet
Evolutionarily conserved structural folds can give rise to diverse biological functions, yet predicting atomic-scale interactions that contribute to the emergence of novel activities within such folds remains challenging. Pancreatic-type ribonucleases illustrate this complexity, sharing a core structure that has evolved to accommodate varied functions. In this study, we used ancestral sequence reconstruction to probe evolutionary and molecular determinants that distinguish biological activities within eosinophil members of the RNase 2/3 subfamily...
April 6, 2024: Journal of Biological Chemistry
https://read.qxmd.com/read/38584857/usage-behaviour-and-adoption-criteria-for-mobile-health-solutions-in-patients-with-chronic-diseases-in-gastroenterology
#11
JOURNAL ARTICLE
Isabella C Wiest, Maurizio Sicorello, Kakharman Yesmembetov, Matthias P Ebert, Andreas Teufel
INTRODUCTION: Mobile Health (mHealth) applications allow for new possibilities and opportunities in patient care. Their potential throughout the whole patient journey is undisputed. However, the eventual adoption by patients depends on their acceptance of and motivation to use mHealth applications as well as their adherence. Therefore, we investigated the motivation and drivers of acceptance for mHealth and developed an adapted model of the Unified Theory of Acceptance and Use of Technology (UTAUT2)...
April 2024: Visceral Medicine
https://read.qxmd.com/read/38581617/exploring-the-association-between-acute-pancreatitis-and-biliary-tract-cancer-a-large-scale-population-based-matched-cohort-study
#12
JOURNAL ARTICLE
Daniel Selin, John Maret-Ouda, Viktor Oskarsson, Mats Lindblad, Urban Arnelo, Marcus Holmberg, Bei Yang, Kristiana Sema, Magnus Nilsson, Omid Sadr-Azodi
BACKGROUND: Biliary tract cancer (BTC) often goes undetected until its advanced stages, resulting in a poor prognosis. Given the anatomical closeness of the gallbladder and bile ducts to the pancreas, the inflammatory processes triggered by acute pancreatitis might increase the risk of BTC. OBJECTIVE: To assess the association between acute pancreatitis and the risk of BTC. METHODS: Using the Swedish Pancreatitis Cohort (SwePan), we compared the BTC risk in patients with a first-time episode of acute pancreatitis during 1990-2018 to a 1:10 matched pancreatitis-free control group...
April 6, 2024: United European Gastroenterology Journal
https://read.qxmd.com/read/38577071/indocyanine-green-the-guide-to-safer-and-more-effective-surgery
#13
EDITORIAL
Pietro Fransvea, Maria Michela Chiarello, Valeria Fico, Maria Cariati, Giuseppe Brisinda
In this editorial we comment on the article by Kalayarasan and co-workers published in the recent issue of the W orld Journal of Gastrointestinal Surgery . The authors present an interesting review on the use of indocyanine green fluorescence in different aspects of abdominal surgery. They also highlight future perspectives of the use of indocyanine green in mini-invasive surgery. Indocyanine green, used for fluorescence imaging, has been approved by the Food and Drug Administration and is safe for use in humans...
March 27, 2024: World Journal of Gastrointestinal Surgery
https://read.qxmd.com/read/38572534/scaling-insulin-producing-cells-by-multiple-strategies
#14
JOURNAL ARTICLE
Jinhyuk Choi, Fritz Cayabyab, Harvey Perez, Eiji Yoshihara
In the quest to combat insulin-dependent diabetes mellitus (IDDM), allogenic pancreatic islet cell therapy sourced from deceased donors represents a significant therapeutic advance. However, the applicability of this approach is hampered by donor scarcity and the demand for sustained immunosuppression. Human induced pluripotent stem cells are a game-changing resource for generating synthetic functional insulin-producing β cells. In addition, novel methodologies allow the direct expansion of pancreatic progenitors and mature β cells, thereby circumventing prolonged differentiation...
April 4, 2024: Endocrinology and Metabolism
https://read.qxmd.com/read/38572090/evaluation-of-a-virtual-reality-based-open-educational-resource-software
#15
JOURNAL ARTICLE
Silvia Würstle, Lisa-Marie Spanke, Niklas Mehlhase, Gail Stanley, Jonathan Koff, Stavros Dimitriadis, Sarah König, Alexander Hann
OBJECTIVES: Virtual reality (VR) teaching methods have potential to support medical students acquire increasing amounts of knowledge. EVENT (Easy VR EducatioN Tool) is an open educational resource software for immersive VR environments, which is designed for use without programming skills. In this work, EVENT was used in a medical student VR course on pancreatic cancer. METHODS: Medical students were invited to participate in the course. Before and after VR simulation, participants completed a multiple-choice knowledge assessment, with a maximum score of 10, and a VR experience questionnaire...
2024: Journal of Medical Education and Curricular Development
https://read.qxmd.com/read/38567813/abcd1-as-a-novel-diagnostic-marker-for-solid-pseudopapillary-neoplasm-of-the-pancreas
#16
JOURNAL ARTICLE
Ying-Ao Liu, Yuanhao Liu, Jiajuan Tu, Yihong Shi, Junyi Pang, Qi Huang, Xun Wang, Zhixiang Lin, Yupei Zhao, Wenze Wang, Junya Peng, Wenming Wu
The diagnosis of solid pseudopapillary neoplasm of the pancreas (SPN) can be challenging due to potential confusion with other pancreatic neoplasms, particularly pancreatic neuroendocrine tumors (NETs), using current pathological diagnostic markers. We conducted a comprehensive analysis of bulk RNA sequencing data from SPNs, NETs, and normal pancreas, followed by experimental validation. This analysis revealed an increased accumulation of peroxisomes in SPNs. Moreover, we observed significant upregulation of the peroxisome marker ABCD1 in both primary and metastatic SPN samples compared with normal pancreas and NETs...
April 3, 2024: American Journal of Surgical Pathology
https://read.qxmd.com/read/38564682/identification-of-pancreatic-cancer-germline-risk-variants-with-effects-that-are-modified-by-smoking
#17
JOURNAL ARTICLE
Huili Zhu, Jaihee Choi, Naishu Kui, Tianzhong Yang, Peng Wei, Donghui Li, Ryan Sun
PURPOSE: Pancreatic cancer (PC) is a deadly disease most often diagnosed in late stages. Identification of high-risk subjects could both contribute to preventative measures and help diagnose the disease at earlier timepoints. However, known risk factors, assessed independently, are currently insufficient for accurately stratifying patients. We use large-scale data from the UK Biobank (UKB) to identify genetic variant-smoking interaction effects and show their importance in risk assessment...
March 2024: JCO Precision Oncology
https://read.qxmd.com/read/38550499/the-potential-of-salivary-biomarkers-in-early-detection-of-pancreatic-ductal-adenocarcinoma-a-systematic-review
#18
REVIEW
Hamza Al Balushi, Purnashree Chowdhury, Hisham M Babu, Abdur Rehman, Syed Faqeer Hussain Bokhari, Lina M Al-Tarawneh, Abedallah J Al-Adwan, Meher Cheran, Srikar P Chilla, Anirudh R Addula, Maaz Amir
Pancreatic ductal adenocarcinoma (PDAC) is a formidable global health concern with a dire prognosis, highlighting the critical need for early detection strategies. This systematic review delves into the potential of salivary biomarkers as a non-invasive means for identifying PDAC at its incipient stages. Saliva's proximity to the circulatory system enables the detection of tumor-derived biomolecules, making it an ideal candidate for mass screening. The analysis of three selected studies reveals promising candidates such as Neisseria mucosa, Fusobacterium periodonticum, polyamines, and specific long non-coding RNAs (lncRNAs)...
February 2024: Curēus
https://read.qxmd.com/read/38538416/recurrence-of-hypertriglyceridemia-associated-acute-pancreatitis-a-multicenter-prospective-cohort-study
#19
JOURNAL ARTICLE
Ling Ding, Shuai Li, Longxiang Cao, Lanting Wang, Jing Zhou, Wenjian Mao, Weiqin Li, Yin Zhu, Lu Ke
OBJECTIVES: There are scarce prospective data on recurrent hypertriglyceridemia-associated acute pancreatitis (HTG-AP). This study aimed to investigate the incidence, potential prognostic factors, and clinical relevance of recurrent HTG-AP. METHODS: This study is a multicenter, prospective cohort study. Adult patients with the first HTG-AP attack enrolled in the PERFORM registry between November 2020 and December 2021 were involved. All the study patients were followed up for more than two years with a two-round schedule...
March 26, 2024: European Journal of Internal Medicine
https://read.qxmd.com/read/38537605/appropriate-pancreatic-phase-image-acquisition-by-free-breathing-dynamic-contrast-enhanced-pancreatic-mri-using-stack-of-stars-radial-sampling-and-compressed-sense
#20
JOURNAL ARTICLE
Yoshifumi Noda, Masashi Asano, Nobuyuki Kawai, Tetsuro Kaga, Kimihiro Kajita, Johannes M Peeters, Yu Ueda, Masatoshi Honda, Yukiko Takai, Akio Ito, Fuminori Hyodo, Hiroki Kato, Masayuki Matsuo
PURPOSE: To evaluate the feasibility of a free-breathing sequence (4D FreeBreathing) combined with Compressed SENSE in dynamic contrast-enhanced pancreatic MRI and compare it with a breath-holding sequence (eTHRIVE). METHOD: Patients who underwent pancreatic MRI, either eTHRIVE or 4D FreeBreathing, from April 2022 to November 2023 were included in this retrospective study. Two radiologists, who were unaware of the scan sequence, independently and randomly reviewed the images at the precontrast, pancreatic, portal venous, and equilibrium phases and assigned confidence scores for motion and streaking artifacts, pancreatic sharpness, and overall image quality using a 5-point scale...
March 24, 2024: European Journal of Radiology
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