Results 241 to 250 of about 1,152,863 (305)

Brain metastasis‐associated fibroblasts shape the tumour microenvironment to enhance cancer cell invasion

Brain Pathology, EarlyView.
Brain metastasis‐associated fibroblasts are active stromal components of the metastatic niche characterised by extracellular matrix remodelling and production of pro‐migratory mediators. They promote monocyte and cancer cell migration and enhance cancer cell invasion while having no growth‐promoting effect on cancer cells.
Barbora Výmolová, Lucie Pfeiferová, Tadeáš Karel Smetana, Petr Výmola, Nikola Ternerová, Michal Zubaľ, Michal Kolář, Jana Šáchová, Soňa Gyönyörová, Eva Balážiová, Magdalena Houdová Megová, Jakub Červenka, Helena Kupcová Skalníková, Michal Španko, Karel Smetana Jr., Lukáš Lacina, David Netuka, Robert Tomáš, Petr Bušek, Aleksi Šedo   +19 more
wiley   +1 more source

Targeted Photo‐Induced Elimination of Tumor‐Associated Macrophages Suppresses Cancer Progression in a Murine Model

Cancer Science, EarlyView.
This study demonstrates the selective depletion of tumor‐associated macrophages (TAMs) by targeting CSF1R through near‐infrared photoimmunotherapy (NIR‐PIT). Using a combination of anti‐CSF1R Fab‐IR700 conjugates and localized light irradiation, we achieved tumor suppression and durable antitumor immunity without systemic toxicity.
Kohei Nakajima, Tomomi Uchiyama, Kazuki Funayama, Yuto Goto, Akari Mukaimine, Naoya Ieda, Mikako Ogawa   +6 more
wiley   +1 more source

Periodontitis‐Associated Circulating EVs Promote Colorectal Cancer Progression via Carnosine‐Mediated Acidosis Adaptation

Cell Proliferation, EarlyView.
This study identifies a link between periodontitis and CRC progression mediated by carnosine‐enriched circulating EVs. These EVs target the intestine and elevate tumour cell intracellular pH (pHi), which rescues lysosomal function. This process drives a transition from dysfunctional lysosomes to functional ones, promoting a high malignancy phenotype in
Ruoyi Wu, Zihan Cai, Hualing Sun, Haikun Yu, Bicheng Zhang, Chi Zhang, Yi Fan, Xiaoxuan Zhu, Yueqi Ni, Yu Cui, Kaixin Wang, Zhe Li, Xinyi Zhou, Qing He, Yanru Wu, Yufeng Zhang   +15 more
wiley   +1 more source

A distinct gene expression mechanism for d‐amino acid utilization in hyperthermophilic archaeon Pyrococcus horikoshii

The FEBS Journal, EarlyView.
The genes PH0137, PH0138, and PH0140 form a cluster in the genome of Pyrococcus horikoshii. The PH0140 gene encodes a transcription factor identified as a d‐amino acid‐responsive regulatory protein (DARP). In feast mode, l‐Ile‐bound DARP binds to the promoter and represses transcription of PH0137 and PH0138. In famine mode, DARP binds to d‐allo‐Ile and
Ryushi Kawakami, Tomoki Kawase, Taira Uehara, Haruhiko Sakuraba, Tomohiko Matsuzawa, Junji Hayashi, Toshihisa Ohshima   +6 more
wiley   +1 more source

The sorting nexin Snx21 promotes flotillin‐mediated endocytosis

The FEBS Journal, EarlyView.
In this study, we describe a novel function of the previously uncharacterized Snx21 protein as a specific positive regulator of flotillin‐mediated endocytic trafficking. Snx21 is recruited to endosomal membranes via binding to PI(3)P, and it colocalizes with flotillins on the surface of late endosomes.
Tamás Maruzs, Enikő Lakatos, Dalma Feil‐Börcsök, Gábor Juhász, Regina Mező, Asha Kiran Maddali, András Blastyák, Aladár Pettkó‐Szandtner, Hajnalka Laczkó‐Dobos, Gábor Juhász   +9 more
wiley   +1 more source

Wettability of ultrafiltration membranes [PDF]

, 2019
Hydrophobic properties of three polymeric ultrafiltration membranes: Cellulose acetate (CA), Polysulfone (PS), Poly(vinylidene fluoride) (PVDF) were determined by contact angle measurements and their surface free energy evaluation. Advancing and receding contact angles were measured by the sessile-drop method. The contact angles were measured for water
Konrad Waldemar Terpiłowski, Bielska, Małgorzata, Prochaska, Krystyna, Emilian Chibowski   +3 more
openaire   +1 more source

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Comparative membrane ultrafiltration rates

Medical & Biological Engineering, 1970
Ultrafiltration rates (UFR) have been measured for different membranes in a modified dialysis test cell under a range of positive pressures from 50 to 300 Torr. The test cell interior is filled with 200 ml distilled water and water escape rate is measured through one 5·1 cm diameter disc.
W M, Muir, R A, Gray, J M, Courtney
openaire   +2 more sources

Effect of Conditioning Ultrafiltration Membranes on their Performances in Electrodialysis with Ultrafiltration Membrane

Separation Science and Technology, 2007
Abstract A recent alternative method based on ultrafiltration membrane stacked in an electrodialysis cell was recently used for the separation of bio‐active high added value charged molecules, such as peptides and polyphenols. However, the ultrafiltration membranes which are uncharged membranes present lower electrical conductivity, in comparison with ...
Laurent Bazinet, Jean‐François Poulin, Jean Amiot   +2 more
openaire   +1 more source

The sepiolite membrane for ultrafiltration

Journal of Membrane Science, 2001
Novel inorganic membranes were prepared from clay (sepiolite) suspensions, which were formed by dispersing clay particles in water either by applying ultrasonic wave or by magnetic stirring. Films can be formed easily from such suspensions due to fibrous nature of sepiolite.
Q.K. Wang, T. Matsuura, C.Y. Feng, M.R. Weir, C. Detellier, E. Rutadinka, R.L. Van Mao   +6 more
openaire   +1 more source

Prediction of Ultrafiltration Membrane Performance

Science, 1962
A theory for ultrafiltration is presented which makes possible the characterization of a membrane at a given temperature and solute concentration by a single experiment at that temperature and concentration. The theory is applied to data in the literature and is shown to be consistent with those data.
openaire   +2 more sources