Results 61 to 70 of about 1,377,490 (277)

Effects of IGFBP4 deficiency on human preadipocyte proliferation and differentiation through the IGF1R/AKT pathway

FEBS Open Bio, EarlyView.
IGFBP4 knockdown (KD) impairs preadipocyte proliferation and is associated with IGF1R protein downregulation and attenuated AKT phosphorylation. The mechanisms by which IGFBP4 KD influences the IGF1R/AKT signaling pathway involve newly synthesized proteins and lysosomal degradation pathways. Created in BioRender.
Yujia Guo, Sandy Richter, Christoph Bach, Wieland Kiess, Anna Kirstein, Diana Le Duc, Antje Garten   +6 more
wiley   +1 more source

Subsurface storage capacity controls on tree ring sensitivity to precipitation

Environmental Research Communications
Tree growth sensitivity to precipitation varies dramatically across Mediterranean climate regions, but the mechanisms controlling this variation remain poorly understood.
M S Aulakh, D N Dralle, W J Hahm
doaj   +1 more source

Phenotypic plasticity of growth ring traits in Pinus hartwegii at the ends of its elevational gradient

Frontiers in Plant Science, 2023
IntroductionPhenotypic plasticity (PP) could be an important short-term mechanism to modify physiological and morphological traits in response to climate change and global warming, particularly for high-mountain tree species.
Lizbeth Carrillo-Arizmendi, J. Jesús Vargas-Hernández, Philippe Rozenberg, Marlin Pérez-Suárez, Angel Roberto Martínez-Campos   +4 more
doaj   +1 more source

Effect of terahertz irradiation on DNA damage repair in living cells

FEBS Open Bio, EarlyView.
We investigated the effect of terahertz (THz) wave irradiation on DNA double‐strand break (DSB) repair in living cells. We found that THz irradiation enhanced DSB repair at specific frequencies, whereas heat treatment inhibited it, indicating that this effect is nonthermal and frequency‐specific.
Yuya Ueno, Shota Yamazaki, Hiromichi Hoshina, Masahiko Harata   +3 more
wiley   +1 more source

Contrasting tree-ring data with fire record in a pine-dominated landscape in the Komi Republic (Eastern European Russia): recovering a common climate signal

Silva Fennica, 2004
For the period 1420–1960 we contrasted fire events reconstructed at 14 sites distributed over a 50 km x 50 km area in the central part of the Komi Republic (European Russia) with a set of tree-ring width chronologies of Scots pine (Pinus sylvestris L.),
Drobyshev, Igor, Niklasson, Mats, Angelstam, Per   +2 more
doaj   +1 more source

Annular Height-to-Commissural Width Ratio of Annulolasty Rings In Vivo [PDF]

Circulation, 2005
Background— A “saddle-shaped” mitral annulus with an optimal ratio between annular height and commissural diameter may reduce leaflet and chordal stress and is purported to be conserved across mammalian species. Whether annuloplasty rings maintain this relationship is unknown.
Tomasz A, Timek, Julie R, Glasson, David T, Lai, David, Liang, George T, Daughters, Neil B, Ingels, D Craig, Miller   +6 more
openaire   +2 more sources

KDAC6 alters cell morphology and motility through positive and negative modulation of F‐actin distribution

FEBS Open Bio, EarlyView.
KDAC6 has been associated with cell motility and actin structures, but specific domain contributions are not established. The two catalytic domains have differential effects on motility and F‐actin regulation, affecting cortical F‐actin density, motility, stress fibers, and cell spreading.
Taylor V. Joseph, Andrea B. Pham, Kiara E. Bornes, Razan H. Hammad, Chelsea A. Rousseve‐Ross, Thomas M. Huckaba, Terry J. Watt, Tasha B. Toro   +7 more
wiley   +1 more source

Impact of Site Conditions Changes on the Tree Ring Records Suitability as Climate Proxies in the Brazilian Amazon

Floresta e Ambiente
The increment zones width in the xylem of Swietenia macrophylla King was investigated by dendrochronological methods in an undisturbed and a strongly disturbed tropical site near Aripuanã, Mato Grosso, Brazil (10°09’ S, 59°26’W).
Oliver Dünisch, João Vicente de Figueiredo Latorraca   +1 more
doaj   +1 more source

Annual streamflow of Jinghe River basin in northern slope of Tianshan Mountains recorded by tree-ring during 1615—2007

Shui kexue jinzhan, 2014
Tree-ring width from northern slopes of Tianshan Mountains is of great potential for hydroclimate reconstruction. Tree-ring width data of Picea schrenkiana from two sites which are located at Jinghe River basin were collected and developed into tree-ring
SHANG Huaming, YIN Zifeng, CHEN Zhijun, WEI Wenshou, YUAN Yujiang, CHEN Rongyi   +5 more
doaj   +1 more source

Variation in Growth, Wood Density, and Stem Taper Along the Stem in Self-Thinning Stands of Sassafras tzumu

Frontiers in Plant Science, 2022
Silvicultural practices greatly improve the economic value of wood products from forests. Stem dimensions, wood density, and stem form are closely linked to end-product performance.
Songfeng Diao, Honggang Sun, David I. Forrester, Alvaro A. V. Soares, Thiago P. Protásio, Jingmin Jiang   +5 more
doaj   +1 more source