Article
Multidisciplinary Sciences
Shin Hye Yoo, Seo Young Kang, Jeesun Yoon, Tae-Yong Kim, Gi Jeong Cheon, Do-Youn Oh
Summary: Metabolic intratumoral heterogeneity is associated with treatment responses and survival outcomes in gastric cancer patients, with early reduction in metabolic ITH predicting better treatment outcomes.
SCIENTIFIC REPORTS
(2021)
Article
Multidisciplinary Sciences
Shuhui Bian, Yicheng Wang, Yuan Zhou, Wendong Wang, Limei Guo, Lu Wen, Wei Fu, Xin Zhou, Fuchou Tang
Summary: By performing multi-regional sampling and single-cell multiomics sequencing, this study investigated the molecular signatures and heterogeneity of human gastric cancer. The study identified common transcriptomic alterations in gastric cancer cells and discovered the abnormal up-regulation of genes highly expressed in normal colorectal epithelial cells. The single-cell DNA methylome landscape of gastric cancer was characterized, and potential DNA methylation biomarkers were identified. Moreover, the study revealed the relationships between genetic lineages, DNA methylation, and transcriptomic clusters at single-cell level, and demonstrated the associations between differentiation states, DNA methylation, and immune-related pathways in gastric cancer cells.
NATIONAL SCIENCE REVIEW
(2023)
Article
Oncology
Yu Qin, Jing Zhou, Zhiyuan Fan, Jianhua Gu, Xinqing Li, Dongmei Lin, Dajun Deng, Wenqiang Wei
Summary: This study investigated the intratumoral heterogeneity (ITH) of esophageal cancer (EC) using a systematic sampling method. It found that there is inadequate concordance between tumor biopsy and tissue in pathological diagnosis and P16 methylation.
FRONTIERS IN ONCOLOGY
(2021)
Article
Chemistry, Multidisciplinary
Xinxin Huang, Canwen Chen, Xiaohui Ma, Tangsong Zhu, Wencan Ma, Qi Jin, Ruichun Du, Yifeng Cai, Menghu Zhang, Desheng Kong, Minyan Wang, Jian'an Ren, Qiuhong Zhang, Xudong Jia
Summary: This study proposes an in situ forming conductive hydrogel by leveraging the self-polymerization of the zwitterionic ligand SBMA promoted by PEDOT:PSS. The hydrogel can spontaneously form after injection of the precursor solution without any additional treatments. It exhibits excellent elasticity (elastic recovery >96%), desirable adhesive strength (approximately 6.5 kPa), biocompatibility, and intrinsic antibacterial properties. The hydrogel can form in situ on skin without apparent heat release, and establish tight conformal interfaces on hairy skin surfaces and irregular wounds. It is also applied as conformal epidermal electrodes to record stable and reliable surface electromyogram signals from hairy skin and accelerate diabetic wound healing under electrical stimulation.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Pathology
Dondu Nergiz, Arsenal Sezgin Alikanoglu, Dinc Suren, Ismail Gomceli, Banu Ozturk
Summary: The study showed a high concordance between HER2-IHC and FISH in biopsy and resection specimens, with FISH recommended when the IHC result is equivocal. Both biopsy and resection specimens are appropriate for HER2 testing.
INDIAN JOURNAL OF PATHOLOGY AND MICROBIOLOGY
(2022)
Article
Multidisciplinary Sciences
Ga-Yeong Shin, Jun Young Park, Sung Hak Lee, Yu Kyung Cho, Myung-Gyu Choi, Jae Myung Park
Summary: This study retrospectively analyzed endoscopic resection data from January 1999 to December 2019 to investigate the risk factors for pathological upgrades of gastric low-grade dysplasia (LGD) to early gastric cancer (EGC) or high-grade dysplasia (HGD). The results showed that lesion size exceeding 1.5 cm, mucosal nodularity, heterogeneous color, presence of erosion, and open-type gastric atrophy were significantly associated with upgraded pathology to EGC. Among EGC cases, 89.2% had pre-existing dysplasia. Therefore, endoscopic evaluations should be performed in LGDs, especially those exhibiting surface nodularity, erosion, heterogeneous color, and large size, to prevent possible pathological upgrades and co-existence of carcinomas.
Article
Pathology
Claud M. Grigg, Chad Livasy, Jiaxian He, Aaron Hartman, Peter E. Clark, Jason Zhu, Derek Raghavan, Earle F. Burgess
Summary: The study evaluated the concordance of HER2 expression in primary urothelial carcinomas and distant metastatic lesions, finding low agreement of HER2-positive status between the two, with loss of HER2 overexpression in some cases. The presence of HER2 ITH impacted the concordance, potentially influencing patient selection for HER2 targeted therapies.
Article
Oncology
Sunil S. Badve, Sanghee Cho, Yesim Gokmen-Polar, Yunxia Sui, Chrystal Chadwick, Elizabeth McDonough, Anup Sood, Marian Taylor, Maria Zavodszky, Puay Hoon Tan, Michael Gerdes, Adrian L. Harris, Fiona Ginty
Summary: Limited knowledge about DCIS cellular composition and its relationship with breast cancer events (BCE) was investigated using immunofluorescence multiplexing (MxIF). A total of 32 cellular biomarkers in FFPE DCIS tissue microarrays from 51 patients were analyzed, revealing significant correlations between ER, PR, HER2, and BCE. Clustering analysis identified 6 distinct cell groups, with clusters 2, 4 showing low BCE risk associations and cluster 6 showing increased risk. The continuous expression score (Escore) based on these clusters predicted likelihood of BCE, indicating the potential for novel biomarker analysis and prediction of BCE using this method. Further validation of Escore in a larger cohort is necessary.
BRITISH JOURNAL OF CANCER
(2021)
Article
Pathology
You Jeong Heo, Binnari Kim, Hyunjin Kim, Soi Kim, Min Sun Jang, Kyoung-Mee Kim
Summary: PD-L1 expression in gastric carcinoma biopsies may predict corresponding surgical specimen results. Results of PD-L1 assay with 73 10 are comparable to those with 22C3 pharmDx, indicating a moderate association between PD-L1 expression in biopsy and resected tumor specimens.
PATHOLOGY RESEARCH AND PRACTICE
(2021)
Article
Obstetrics & Gynecology
Douglas Rottmann, Hisham Assem, Nana Matsumoto, Serena Wong, Pei Hui, Natalia Buza
Summary: This study evaluated the concordance of HER2 status between endometrial biopsy/curettage and subsequent hysterectomy specimens in endometrial serous carcinoma, finding a lower concordance rate compared to breast cancer, likely due to intratumoral heterogeneity and differences in sampling methods.
INTERNATIONAL JOURNAL OF GYNECOLOGICAL PATHOLOGY
(2021)
Article
Biophysics
Yuqian Liu, Ruyi Li, Fangyuan Liang, Chao Deng, Farzad Seidi, Huining Xiao
Summary: The novel fluorescent paper-based analytical devices (PADs) developed in this study demonstrate high reliability and sensitivity for the detection of GC-related miRNA-21 and circRNA-HIAT1. These PADs show superior uniformity and stability, efficient RCA, specificity, and anti-interference capability, making them suitable for accurate GC screening in biological settings.
BIOSENSORS & BIOELECTRONICS
(2022)
Article
Biotechnology & Applied Microbiology
Yu Liu, Yan-Hui Bi, Zhi-Gang Zhou
Summary: This study reported the precise karyotype of Saccharina japonica, which provides important basis for genomic physical mapping and genetic breeding of this marine alga.
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
(2022)
Review
Gastroenterology & Hepatology
Matteo Tacelli, Niccolo Bina, Stefano Francesco Crino, Antonio Facciorusso, Ciro Celsa, Andrea Sbrozzi Vanni, Alberto Fantin, Filippo Antonini, Massimo Falconi, Fabio Monica, Gabriele Capurso, Paolo Giorgio Arcidiacono, Luca Barresi, Of The Italian Association Of Hospital Gastroenterologists And Endoscopists
Summary: This study analyzed the variability in concordance between EUS grading and surgical grading. The results showed that EUS is an accurate technique for defining grading in patients with PanNETs, but there is still a margin of error. These findings emphasize the need for future research to focus on minimizing the risk of over and/or undertreatment.
GASTROINTESTINAL ENDOSCOPY
(2022)
Article
Engineering, Environmental
Jing Zhou, Ruijie Fu, Haoran Liu, Yanlin Liu, Yiwen Wang, Bining Jiao, Yue He, Hongwu Tang
Summary: The study introduces a high-resolution colorimetric biosensor based on multiple hybridization chain reactions (HCRs) and gold nanoparticles (AuNP) for ultrasensitive detection of the Staphylococcus aureus (S. aureus) mecA gene. The method demonstrates high specificity and sensitivity, capable of detecting target DNA concentrations as low as 2.71 pM with rainbow-like colors associated with different DNA concentrations. This approach has potential applications in clinical diagnosis.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Ophthalmology
Cristina Fonseca, Rita Pinto-Proenca, Sabrina Bergeron, Luis Miguel Pires, Julia Fernandes, Isabel Marques Carreira, Miguel N. Burnier, Rui Proenca
Summary: Tumor biopsies in uveal melanoma (UM) are essential for prognostication and evaluation of metastatic risk, and can also be used for diagnosis. Issues such as intratumoral heterogeneity and sample representativity in UM may affect the accurate prediction of patient prognosis.
OCULAR ONCOLOGY AND PATHOLOGY
(2021)