Genetic perturbation of AMP biosynthesis extends lifespan and restores metabolic health in a naturally short-lived vertebrate

…, A Oron-Gottesman, M Smirnov, K Shapira, A Velan… - Developmental Cell, 2023 - cell.com
During aging, the loss of metabolic homeostasis drives a myriad of pathologies. A central
regulator of cellular energy, the AMP-activated protein kinase (AMPK), orchestrates organismal …

Laboratory Diagnosis of 37 Cases of Bartonella Endocarditis Based on Enzyme Immunoassay and Real-Time PCR

…, Y Maor, EA Katchman, A Treves, A Velan… - Journal of clinical …, 2021 - Am Soc Microbiol
Bartonella spp., mostly Bartonella quintana and B. henselae , are a common cause of
culture-negative endocarditis. Serology using immunofluorescence assay (IFA) and PCR …

[HTML][HTML] Melanocortin receptor 1 and black pigmentation in the Japanese ornamental carp (Cyprinus carpio var. Koi)

I Bar, E Kaddar, A Velan, L David - Frontiers in Genetics, 2013 - frontiersin.org
Colors and their patterns are fascinating phenotypes with great importance for fitness under
natural conditions. For this reason and because pigmentation is associated with diseases, …

Comparative time-course study on pituitary and branchial response to salinity challenge in Mozambique tilapia (Oreochromis mossambicus) and Nile tilapia (O …

A Velan, G Hulata, M Ron, A Cnaani - Fish physiology and biochemistry, 2011 - Springer
The physiological response of Mozambique and Nile tilapia transferred from fresh to brackish
(15 ppt) water was compared during a one-week time course. Response in the pituitary …

[HTML][HTML] Association between polymorphism in the Prolactin I promoter and growth of tilapia in saline-water

A Velan, G Hulata, M Ron, T Slosman, A Shirak… - Aquaculture …, 2015 - Elsevier
Tilapias are a group of species with a variable tolerance to high salinity, which are cultured
worldwide in fresh, brackish and seawater. Prolactin I (PRL I) is known as a key hormone in …

Improving salinity tolerance in tilapias: a review.

A Cnaani, A Velan, G Hulata - 2011 - cabidigitallibrary.org
With increasing scarcity of fresh water available for aquaculture, especially in arid regions,
development of tilapias that tolerate high salinity would increase fish (and hence, animal …

Dissection of the human acetylcholinesterase active center determinants of substrate specificity. Identification of residues constituting the anionic site, the hydrophobic …

…, M Leitner, Y Segall, N Ariel, S Cohen, B Velan… - Journal of Biological …, 1993 - ASBMB
Substrate specificity determinants of human acetylcholinesterase (HuAChE) were identified
by combination of molecular modeling and kinetic studies with enzymes mutated in residues …

Structures of recombinant native and E202Q mutant human acetylcholinesterase complexed with the snake-venom toxin fasciculin-II

G Kryger, M Harel, K Giles, L Toker, B Velan… - … Section D: Biological …, 2000 - scripts.iucr.org
Structures of recombinant wild-type human acetylcholinesterase and of its E202Q mutant as
complexes with fasciculin-II, a `three-finger' polypeptide toxin purified from the venom of the …

Sex-specific regulation of metabolic health and vertebrate lifespan by AMP biosynthesis

…, K Shapira, A Oron-Gottesman, T Levy, A Velan… - Biorxiv, 2022 - biorxiv.org
The loss of energy homeostasis seen during aging, is causally linked to multiple age-related
pathologies. The AMP-activated protein kinase (AMPK) directly senses cellular energy …

[HTML][HTML] Acetylcholinesterase peripheral anionic site degeneracy conferred by amino acid arrays sharing a common core.

…, A Bromberg, D Marcus, A Lazar, B Velan… - Journal of Biological …, 1994 - Elsevier
Several of the residues constituting the peripheral anionic site (PAS) in human acetylcholinesterase
(HuAChE) were identified by a combination of kinetic studies with 19 single and …