Results 51 to 60 of about 27,019,626 (261)

Matrix metalloproteinases at key junctions in the pathomechanism of stroke [PDF]

, 2011
Matrix metalloproteinases play a crucial role in the remodelling of the extracellular matrix through direct degradation of its structural proteins and control of extracellular signaling.
Kolev, Kraszimir, Kolev Krasimir, Rottenberger Zsolt, Zsolt Rottenberger, Rottenberger, Zsolt, Krasimir Kolev   +5 more
core   +1 more source

On general fixed point method based on matrix splitting for solving linear complementarity problem

Journal of Numerical Analysis and Approximation Theory, 2022
In this article, we introduce a modified fixed point method to process the large and sparse linear complementarity problem (LCP) and formulate an equivalent fixed point equation for the LCP and show the equivalence.
Bharat Kumar, Deepmala, A. K. Das
doaj  

Golgi enzymes are retrieved from the plasma membrane to the trans‐Golgi network

FEBS Letters, EarlyView.
Golgi enzymes are traditionally considered resident proteins retained within the Golgi apparatus. Here, we demonstrate that a subset transiently reaches the cell surface and is subsequently retrieved to the trans‐Golgi network via retrograde transport. Using a nanobody‐based toolkit, we uncover a dynamic trafficking cycle of several Golgi enzymes.
Dominik P. Buser, Tina Junne
wiley   +1 more source

Partial depletion of plasminogen activator inhibitor‐1 decreases subcutaneous fat cell hypertrophy and liver cholesterol in high‐fat‐fed female mice

FEBS Letters, EarlyView.
Obesity raises blood levels of PAI‐1, a protein linked to metabolic dysfunction‐associated steatotic liver disease in people with obesity. In female mice fed a high‐fat diet, partially lowering PAI‐1 led to smaller subcutaneous fat cells and lower liver cholesterol, without changing body weight or insulin sensitivity.
Claudia E. Ramirez Bustamante, Robert Sharp, Pradip K. Saha, Elizabeth S. Anaya, Elizabeth L. Lieu, Evelyn L. de Groot, Pooja Patel, Mi Jeong Heo, Aaron R. Cox, Kang Ho Kim, Sean M. Hartig   +10 more
wiley   +1 more source

MATRIX p-NORMS ARE NP-HARD TO APPROXIMATE IF p not equal to 1, 2, infinity

, 2010
We show that, for any rational p ∈ [1,∞) [p is an element of the set [1, infinity)] except p = 1, 2, unless P = NP, there is no polynomial time algorithm which approximates the matrix p-norm to arbitrary relative precision.
Olshevsky, A., Hendrickx, Julien, Julien M. Hendrickx, Alex Olshevsky, Olshevsky, Alexander   +4 more
core   +1 more source

Chirality Evolution of Supramolecular Helices by Electron Transfer Assisted Secondary Nucleation

Advanced Science
Chirality evolution is ubiquitous and important in nature, but achieving it in artificial systems is still challenging. Herein, the chirality evolution of supramolecular helices based on l‐phenylalanine derivative (LPF) and naphthylamide derivate (NDIAPY)
Laiben Gao, Xiaoqiu Dou, Chao Xing, Kaikai Yang, Changli Zhao, Chuanliang Feng   +5 more
doaj   +1 more source

MATRIX TRANSFORMATIONS OF c0(p,s), 100(p,s) and l(p,s) INTO Q

Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 1997
Necessarv and sufficicnt condi­ , tions haYe been cstablished for an infini te matrix A= (͙k) to transform c0(p,s) , f.00(p,s) and ((p,s) into Q (semipcriodic scqucnces space), \vhere c0(pšs) and e00( p,s) the set of aJJ complex sequenccs X= (xk) such ...
MİKAİL ET, METİN BAŞARIR
doaj   +1 more source

Some generalizations of inequalities for sector matrices

Journal of Inequalities and Applications, 2018
In this paper, we generalize some Schatten p-norm inequalities for accretive-dissipative matrices obtained by Kittaneh and Sakkijha. Moreover, we present some inequalities for sector matrices.
Chaojun Yang, Fangyan Lu
doaj   +1 more source

Ligand‐dependent transcriptional heterogeneity in cell cycle gene expression delays G1/S entry

FEBS Letters, EarlyView.
EGF and HRG induce distinct G1/S progression programs in ErbB2‐amplified BT474 breast cancer cells. Despite activating the potent ErbB2–ErbB3 heterodimer, HRG does not accelerate cell‐cycle entry. Instead, EGF promotes earlier restriction‐point passage via ERK–FOS signaling, whereas HRG activates the AKT–MYC axis, driving transcriptional heterogeneity ...
Ririn Rahmala Febri, Ayaka Nagasato‐Ichikawa, Keita Iida, Shuhei Kimura, Akira Imamoto, Mariko Okada   +5 more
wiley   +1 more source

Site‐Specific Hydroxide Formation and Corrosion on Mg Nanocrystals

Advanced Science
Magnesium is one of the lightest structural metals and is highly attractive for aerospace, transportation, biomedical, and energy technologies, yet its application is limited by rapid corrosion and an incompletely understood initiation mechanism.
Yao Liu, Zongmin Sun, Chenhao Wu, Kun Yang, Zhiyuan Ge, Chenyu Wang, Wenpei Gao, Jianbo Wu, Xiaoqin Zeng   +8 more
doaj   +1 more source