Results 41 to 50 of about 1,784,597 (218)

Eukaryotic translation initiation factor 3 plays distinct roles at the mRNA entry and exit channels of the ribosomal preinitiation complex

eLife, 2016
Eukaryotic translation initiation factor 3 (eIF3) is a central player in recruitment of the pre-initiation complex (PIC) to mRNA. We probed the effects on mRNA recruitment of a library of S.
Colin Echeverría Aitken, Petra Beznosková, Vladislava Vlčkova, Wen-Ling Chiu, Fujun Zhou, Leoš Shivaya Valášek, Alan G Hinnebusch, Jon R Lorsch   +7 more
doaj   +1 more source

Microbiome‐blood–brain barrier interactions in aging — mechanisms and therapeutic potential

FEBS Letters, EarlyView.
Aging reshapes the gut microbiome (↓SCFA‐producing commensals; ↑pro‐inflammatory outputs), shifting circulating metabolites (↓SCFAs; ↑LPS, ↑TMAO, ↑PAA) that act at the BBB to increase nonspecific transcytosis, alter transport, and promote astrocyte reactivity, heightening brain vulnerability.
Daniel Cuervo‐Zanatta, Hari Baskar Balasubramanian, Amir Pasokh, Marietta Zille   +3 more
wiley   +1 more source

Structure‐forward targeting of claudins with synthetic binders

FEBS Letters, EarlyView.
Claudins form the paracellular barriers between epithelial and endothelial tissues at tight junctions and are targets for molecular binders with the goal of modulating barrier permeability. Claudin‐binding molecules are relevant in drug delivery or in altering claudin interactions with disease‐causing proteins.
Alex J. Vecchio
wiley   +1 more source

γ effects identify preferentially populated rotamers of CH₂F groups: side-chain conformations of fluorinated valine analogues in a protein [PDF]

Magnetic Resonance
Using cell-free protein synthesis, the protein G B1 domain (GB1) was prepared with uniform high-level substitution of valine by (2S,3S)-4-fluorovaline, (2S,3R)-4-fluorovaline or 4,4'-difluorovaline.
E. H. Abdelkader, N. F. Chilton, N. F. Chilton, A. Maleckis, G. Otting   +4 more
doaj   +1 more source

Nutrient/TOR signaling controls adipose mitochondrial transcription factor A (TFAM) to regulate organismal growth in Drosophila

FEBS Letters, EarlyView.
Animals must match their growth rate to available nutrients. We show that in Drosophila larvae, the nutrient‐sensing TOR kinase controls growth by regulating levels of TFAM, a key regulator of mitochondrial function, in the adipose tissue. When nutrients are abundant, high TOR activity suppresses TFAM, lowering mitochondrial bioenergetic activity and ...
Shrivani Sriskanthadevan‐Pirahas, Shahoon Khan, Abhishek Sharma, Byoungchun Lee, Savraj S. Grewal   +4 more
wiley   +1 more source

Simultaneous in vitro expression of minimal 21 transfer RNAs by tRNA array method

Nature Communications
Transfer RNA (tRNA) plays a central role in translation. The simultaneous in vitro synthesis of minimal yet sufficient tRNA species (at least 21) poses a challenge for constructing a self-reproducible artificial cell.
Ryota Miyachi, Keiko Masuda, Yoshihiro Shimizu, Norikazu Ichihashi   +3 more
doaj   +1 more source

Engineering peptides into antibodies—opportunities and strategies for therapeutic innovation

FEBS Letters, EarlyView.
Peptides and antibodies occupy complementary therapeutic niches. Peptides recognize difficult targets in a compact format, while antibodies add specificity, long half‐life, and effector functions. This review examines strategies that merge both modalities—peptide grafting into loops, terminal and Fc fusions, and bioconjugation—highlighting how ...
Jinling Wang, Ruslana Romaniuk, Hristo L. Svilenov   +2 more
wiley   +1 more source

Loss of Parkinson’s disease-associated protein CHCHD2 affects mitochondrial crista structure and destabilizes cytochrome c

Nature Communications, 2017
Mutations inCHCHD2 are associated with Parkinson’s disease. Here the authors investigate the physiological and pathological roles of CHCHD2 in Drosophilaand mammalian cells, and find that it regulates mitochondrial respiration through stabilizing ...
Hongrui Meng, Chikara Yamashita, Kahori Shiba-Fukushima, Tsuyoshi Inoshita, Manabu Funayama, Shigeto Sato, Tomohisa Hatta, Tohru Natsume, Masataka Umitsu, Junichi Takagi, Yuzuru Imai, Nobutaka Hattori   +11 more
doaj   +1 more source

Liver organoids: modelling complexity in homeostasis and disease

FEBS Letters, EarlyView.
Studying liver in vitro has been challenging because simple 2D cell cultures fail to capture liver's cellular and architectural complexity. To bridge this gap, scientists increasingly use organoids, 3D liver models which better mimic liver composition and function. This review examines recent advances in liver organoid complexity and realism, discusses
Anna M. Dowbaj, Meritxell Huch
wiley   +1 more source

Leaf protein synthesis

California Agriculture, 1982
Not available – first paragraph follows: The most abundant proteins in the leaves of higher plants perform specialized functions in photosynthesis. Many of these proteins are located within the chloroplast.
W Taylor, T Nelson, M Harpster, L Fragoso, B Martineau, S Mayfield, J Yamaguchi   +6 more
doaj