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sp. nov., isolated from a patient with ruptured appendicitis.

Int J Syst Evol Microbiol

January 2025

Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong Special Administrative Region, Hong Kong, PR China.

A clinical isolate, R131, was isolated from the peritoneal swab of a patient who suffered from ruptured appendicitis with abscess and gangrene in Hong Kong in 2018. Cells are facultatively anaerobic, non-motile, Gram-positive coccobacilli. Colonies were small, grey, semi-translucent, low convex and alpha-haemolytic.

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Since decades after temozolomide was approved, no effective drugs have been developed. Undoubtedly, blood-brain barrier (BBB) penetration is a severe issue that should be overcome in glioblastoma multiforme (GBM) drug development. In this research, we were inspired by linezolid through structural modification with several bioactive moieties to achieve the desired brain delivery.

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A Review of Circulating Tumor DNA (ctDNA) in Pancreatic Cancer: Ready for the Clinic?

J Gastrointest Cancer

January 2025

Ruesch Center for the Cure of Gastrointestinal Cancers, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, USA.

Pancreatic ductal adenocarcinoma is a devastating disease which is associated with an increase in cancer-related death in the USA. The minority of patients are cured by surgery alone and typically require adjuvant chemotherapy in order to improve clinical outcomes. Circulating tumor DNA (ctDNA) is an emerging technology whereby microscopic levels of minimal residual disease (MRD) can be detected in the bloodstream.

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Purpose: This phase II study is designed to evaluate the combination therapy involving suvemcitug and envafolimab with FOLFIRI in microsatellite-stable or mismatch repair-proficient (MSS/pMMR) colorectal cancer (CRC) in the second-line treatment setting.

Methods: This study is a non-randomized, open-label prospective study comprising multiple cohorts (NCT05148195). Here, we only report the data from the CRC cohort.

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Inhibition of DEK restores hematopoietic stem cell function in Fanconi anemia.

J Exp Med

March 2025

Department of Hematology, The Second Affiliated Hospital of Chongqing Medical University, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, China.

Hematopoietic stem cells (HSCs) are susceptible to replication stress, which is a major contributor to HSC defects in Fanconi anemia (FA). Here, we report that HSCs relax the global chromatin by downregulating the expression of a chromatin architectural protein, DEK, in response to replication stress. DEK is abnormally accumulated in bone marrow (BM) CD34+ cells from patients with FA and in Fancd2-deficient HSCs.

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