Results 31 to 40 of about 7,192,603 (344)

PD 098059 Is a Specific Inhibitor of the Activation of Mitogen-activated Protein Kinase Kinase in Vitro and in Vivo(*)

Journal of Biological Chemistry, 1995
PD 098059 has been shown previously to inhibit the dephosphorylated form of mitogen-activated protein kinase kinase-1 (MAPKK1) and a mutant MAPKK1(S217E,S221E), which has low levels of constitutive activity (Dudley, D. T., Pang, L., Decker, S.
D. Alessi, A. Cuenda, Philip R. Cohen, D. T. Dudley, A. Saltiel   +4 more
semanticscholar   +1 more source

Charcoal Activation [PDF]

Proceedings of the National Academy of Sciences, 1919
LC copy replaced by microfilm. ; "Reprinted from the Physical review, n.s., vol. XVI, no. 3, September, 1920." ; Thesis (PH. D.)--University of Chicago, 1920. ; Mode of access: Internet.
openaire   +3 more sources

ACTIVATION FUNCTIONS IN NEURAL NETWORKS

International Journal of Engineering Applied Sciences and Technology, 2020
—Artificial Neural Networks are inspired from the human brain and the network of neurons present in the brain. The information is processed and passed on from one neuron to another through neuro synaptic junctions.
Siddharth Sharma, Simone Sharma, Anidhya Athaiya   +2 more
semanticscholar   +1 more source

Engagement of the Pd-1 Immunoinhibitory Receptor by a Novel B7 Family Member Leads to Negative Regulation of Lymphocyte Activation

Journal of Experimental Medicine, 2000
PD-1 is an immunoinhibitory receptor expressed by activated T cells, B cells, and myeloid cells. Mice deficient in PD-1 exhibit a breakdown of peripheral tolerance and demonstrate multiple autoimmune features.
G. Freeman, A. Long, Yoshiko Iwai, K. Bourque, T. Chernova, H. Nishimura, L. Fitz, Nelly Malenkovich, Taku Okazaki, M. Byrne, H. Horton, L. Fouser, L. Carter, V. Ling, M. Bowman, B. Carreno, M. Collins, C. Wood, T. Honjo   +18 more
semanticscholar   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

FEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

RAD50 missense variants differentially affect the DNA damage response and mitotic progression

FEBS Letters, EarlyView.
RAD50 incorporates into the MRN complex and initiates the DNA damage response. Furthermore, RAD50 promotes mitotic progression. RAD50 missense variants capable of forming an MRN complex supported the DNA damage response and mitotic features to different extents in complementation experiments, indicating these functions are separable and might impact ...
Hanna Redeker, Swantje Kebel, Lea Völkening, Anna Vatselia, Louisa Weinhold, Girmay Asgedom, Axel Schambach, Detlev Schindler, Thilo Dörk, Kristine Bousset   +9 more
wiley   +1 more source

Mapping the evolution of mitochondrial complex I through structural variation

FEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin, Tingting Chen, James A. Letts   +2 more
wiley   +1 more source

Elevated Dengue Virus Nonstructural Protein 1 Serum Levels and Altered Toll-Like Receptor 4 Expression, Nitric Oxide, and Tumor Necrosis Factor Alpha Production in Dengue Hemorrhagic Fever Patients

Journal of Tropical Medicine, 2014
Background. During dengue virus (DV) infection, monocytes produce tumor necrosis factor alpha (TNF-α) and nitric oxide (NO) which might be critical to immunopathogenesis.
Denise Maciel Carvalho, Fernanda Gonçalves Garcia, Ana Paula Sarreta Terra, Ana Cristina Lopes Tosta, Luciana de Almeida Silva, Lúcio Roberto Castellano, David Nascimento Silva Teixeira   +6 more
doaj   +1 more source

Enteropathogenic E. coli shows delayed attachment and host response in human jejunum organoid‐derived monolayers compared to HeLa cells

FEBS Letters, EarlyView.
Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi, Pilar Samperio Ventayol, Natalie Burkard, Nicolas Schlegel, Carmen Aguilar, Sina Bartfeld   +5 more
wiley   +1 more source

BTLA inhibition has a dominant role in the cis-complex of BTLA and HVEM

Frontiers in Immunology, 2022
The engagement of the herpesvirus entry mediator (HVEM, TNFRSF14) by the B and T lymphocyte attenuator (BTLA) represents a unique interaction between an activating receptor of the TNFR-superfamily and an inhibitory receptor of the Ig-superfamily.
Claire Battin, Judith Leitner, Petra Waidhofer-Söllner, Katharina Grabmeier-Pfistershammer, Daniel Olive, Peter Steinberger   +5 more
doaj   +1 more source