Results 61 to 70 of about 131,127 (291)

Efferocytosis‐Driven Polyamine Metabolism in Macrophages Enhances Cancer Stem Cell Enrichment after Chemotherapy in Ovarian Cancer

Advanced Science, EarlyView.
Chemotherapy‐induced efferocytosis drives ovarian cancer stem cell enrichment. By engulfing apoptotic cancer cells, macrophages upregulate ODC1 and produce putrescine, which elevates osteopontin (OPN) expression. Secreted OPN then activates the CD44 receptor on cancer cells, promoting stemness and chemoresistance.
Wenhan Li, Feiquan Ying, Xinkai Pang, Qiulei Wu, Guoqing Li, Lin Huang, Jiayu Xin, Xiaoli Liu, Pan Liu, Xiaohan Xu, Shuran Tan, Yumei Gao, Tong Liu, Si Sun, Xiaoman Wang, Yiping Wen, Liqiong Cai, Shi Du, Yuan Zhang, Jing Cai   +19 more
wiley   +1 more source

25-Hydroxycholesterol stimulates sphingomyelin synthesis in Chinese hamster ovary cells.

Journal of Lipid Research, 1995
In several experimental and pathological conditions the cellular concentrations of cholesterol and sphingomyelin (SM) change coordinately. In an effort to identify factors mediating co-regulation, a class of suppressors of cholesterol synthesis ...
N D Ridgway
doaj   +1 more source

The Gut Microbiota Regulates Motor Deficits via Butyrate in a Gnal+/− Mouse Model of DYT25 Dystonia

Advanced Science, EarlyView.
The present study provides compelling evidence for a modulatory role of the gut microbiota in the pathology of DYT25 dystonia, and butyrate supplementation alleviates the motor deficits of dystonia in Gnal+/− mice. Abstract Dystonia is the third most common movement disorder, following essential tremor and Parkinson's disease. The underlying mechanisms
Jingya Guo, Seong‐Gook Kang, Kunlun Huang, Tao Tong   +3 more
wiley   +1 more source

Giant cell formation produced by laser microbeam irradiation of chromatin in Chinese hamster cells [PDF]

, 1981
A pulsed laser microbeam of wavelength 532 nm was used to produce visible small lesions in the nucleoplasm or in the cytoplasm of V79 Chinese hamster cells.
Altmann, Berns, Berns, Berns, Berns, Berns, Berns, Berns, Berns, Berns, Burkhardt, Cain, Cremer, Cremer, Cremer, Cremer, Dreher, Factor, Geisinger, Hetzel, Kitzes, Leder, Leuchtenberger, Meredith, Moreno, Nakanishi, Peterson, Rattner, Schneider, Scott, Stevenson, Strahs, Tam, Tchakhotine, Wang   +34 more
core   +2 more sources

Engineering and validation of a dual luciferase reporter system for quantitative and systematic assessment of regulatory sequences in Chinese hamster ovary cells

Scientific Reports, 2022
Ongoing research efforts to identify potent regulatory sequences that deliver robust and sustained transgene expression are critical for Chinese hamster ovary (CHO) cell line development technologies to meet the growing demand for recombinant proteins ...
Yagmur Toktay, Bengisu Dayanc, Serif Senturk   +2 more
doaj   +1 more source

Quantitative Proteomics and CRISPR/Cas9 Editing Reveal UPR‐Mediated Control of Immunoglobulin Homeostasis in Hybridomas

Advanced Science, EarlyView.
BCR sequencing and subclone analysis correlated immunoglobulin (Ig) chain loss in dysfunctional hybridomas with disrupted monoclonal antibody homeostasis. Proteomics‐guided CRISPR/Cas9 editing revealed that the unfolded protein response (UPR) regulates aberrant Ig synthesis.
Rubing Zou, Xinying Lu, Ying Liu, Peiyu Yang, Shuo Sun, Yihua Liu, Yinyuan Mo, Guonian Zhu, Jae Seong Lee, Yirong Guo   +9 more
wiley   +1 more source

Analysis of a Chinese hamster ovary cell mutant with defective mobilization of cholesterol from the plasma membrane to the endoplasmic reticulum

Journal of Lipid Research, 1997
The factors involved in shuttling cholesterol among cellular membranes have not been defined. Using amphotericin B selection, we previously isolated Chinese hamster ovary cell mutants expressing defects in intracellular cholesterol transport ...
N L Jacobs, B Andemariam, K W Underwood, K Panchalingam, D Sternberg, M Kielian, L Liscum   +6 more
doaj   +1 more source

A Natural Sweetener‐inducible Genetic Switch Controls Therapeutic Protein Expression in Mammals

Advanced Science, EarlyView.
This study develops a natural sweetener, the psicose‐inducible transgene expression (PURE) system based on an Agrobacterium tumefaciens–derived transcriptional repressor PsiR. The PURE system is highly specific to psicose, being insensitive to other sugars and structurally similar molecules.
Longliang Qiao, Zhihao Wang, Shasha Tang, Yuan Fang, Guiling Yu, Xiaoting Qiu, Lingxue Niu, Tao Yan, Xingwan Liu, Xiaoding Ma, Deqiang Kong, Yang Zhou, Ningzi Guan, Jinzhong Tian, Meiyan Wang, Haifeng Ye, Fengfeng Cai   +16 more
wiley   +1 more source

Central role for the XRCC1 BRCT I domain in mammalian DNA single-strand break repair [PDF]

, 2002
The DNA single-strand break repair (SSBR) protein XRCC1 is required for genetic stability and for embryonic viability. XRCC1 possesses two BRCA1 carboxyl-terminal (BRCT) protein interaction domains, denoted BRCT I and II.
Caldecott, Keith W, Taylor, Richard M, Thistlethwaite, Angela   +2 more
core   +3 more sources

Genomic-transcriptomic analysis identifies the Syrian hamster as a superior animal model for human diseases

BMC Genomics
Background The Syrian hamster (Mesocricetus auratus) has shown promise as a human diseases model, recapitulating features of different human diseases including COVID-19.
Chuchu Wang, Zhenguo Cheng, Jinxin Miao, Xia Xue, Yunshu Dong, Li Zhao, Haoran Guo, Jianyao Wang, Zhizhong Wang, Shuangshuang Lu, Guangming Fang, Ying Peng, Yafei Zhai, Zhongxian Zhang, Dongling Gao, Zhimin Wang, Pengju Wang, Lirong Zhang, Louisa S Chard Dunmall, Jun Wang, Wenxue Tang, Xiaowei Li, Zhongren Ding, Xiaoyan Zhao, Ling Li, Nicholas R. Lemoine, Zhongde Wang, Daniel Tonge, Wenjie Tan, Jianzeng Dong, Yaohe Wang   +30 more
doaj   +1 more source