Cytoplasmic alkalinization

Author: oxvl

August undefined, 2024

WebInvestigation of the basic functions of GB CSCs reveals a constitutive state of oxidative stress and cytoplasmic alkalinization compared with MSCs. Both intracellular oxidation and cytoplasmic pH changes have been reported to … WebFeb 2, 2024 · When generated in moderate amounts, ROS promote sperm capacitation by facilitating cholesterol efflux from the plasma membrane, enhancing cAMP generation, inducing cytoplasmic alkalinization, increasing intracellular calcium levels, and stimulating the protein phosphorylation events that drive the attainment of a capacitated state.

Cell cycle progression is regulated by intertwined redox oscillators ...

WebNov 18, 2024 · The cytoplasmic pH (pHcyt) oscillations are essential in the process independent of the extracellular Ca 2+. The study also suggested that OA may influence inward K + channels and Ca 2+ channels by mediating the activation of H + -ATPase. Go to: 2. Results 2.1. Effects of OA on Suspension Cell Viability of P. tunicoides WebDec 22, 2010 · For example, blocking activity-induced cytoplasmic alkalinization with folimycin or bafilomycin, two selective inhibitors of the proton pump, reduced the endocytic uptake of FM1-43, suggesting that cytosolic alkalinization promotes endocytosis. The authors point out that this effect could be due to the demonstrated pH sensitivity of ... derrick hickey md

Ethylene-induced nitric oxide production and stomatal closure in

WebCytoplasmic alkalinization appears to be a common reaction to stimulation in many cell types and may serve as the signal for proliferation (for … WebMay 29, 2015 · In G 2 phase there is a decrease in NADPH concentration (used for membrane lipid synthesis) and a cytoplasmic alkalinization occurs. Mitochondria hyperfusion matches the cytosolic acidification at late G 1 /S transition and then triggers ATP synthesis by oxidative phosphorylation. derrick henry weight room

Cytoplasmic Alkalization Precedes Reactive Oxygen …

Platelet-activating factor stimulates cytoplasmic …

WebPlumX Metrics Initiation of Na + -glucose cotransport in intestinal absorptive epithelia causes NHE3 to be translocated to the apical plasma membrane, leading to cytoplasmic alkalinization. We reported recently that this … WebMar 1, 2001 · A single cell assay illustrated that H 2 O 2 induces rapid changes in cytoplasmic and vacuolar pH in guard cells of Vicia faba, i.e. alkalinization of cytoplasmic areas occurred in parallel with a ... derrick hickey md wilmingtonWebCytosolic alkalinization is a common and early messenger preceding the production of ROS and NO during stomatal closure by variable signals, including abscisic acid, methyl … derrick hobbs obituary

"WebJul 1, 1989 · The degree of alkalinization observed was comparable to that produced by two additional mitogenic regimens. Cytoplasmic alkalinization was not blocked by … " - Cytoplasmic alkalinization

Cytoplasmic alkalinization

Phosphorylation of the plasma membrane H - Oxford …

WebAlkalinization During Capacitation. During their transit through the female reproductive tract, sperm encounter an alkaline pH, higher HCO 3-concentration, and albumin. All these factors contribute to the … WebJul 5, 2024 · In some organisms, cytoplasmic alkalinization is accompanied by metabolic acid production which alleviates the cytoplasmic pH rise and protects the cell from the subsequent demise. …

Did you know?

WebJun 14, 2004 · We have previously shown that Na +-glucose cotransport triggers cytoplasmic alkalinization that requires NHE3 . Because ezrin can regulate NHE3 … WebSep 11, 2024 · The cytoplasmic alkalinization, PIN3/7 relocalization within the statocytes, and lateral auxin-gradient formation across the root tip upon gravity sensing, can all be used as cellular markers to distinguish mutations that affect early steps of gravity signal transduction in the statocytes from those that affect signal translocation to the ...

WebJun 24, 2024 · It has been reported that sodium bicarbonate can disrupt the PMF by alkalinizing the cytoplasm of S. aureus, increasing the susceptibility to polymyxin 39. … WebAug 11, 2010 · Gonugunta V K, Srivastava N, Raghavendra A S. Cytosolic alkalinization is a common and early messenger preceding the production of ROS and NO during stomatal closure by variable signals, including abscisic acid, methyl jasmonate and chitosan. Plant Signal Behav, 2009, 4: 561–564. Article Google Scholar

WebCytoplasmic alkalinization appears to be a common reaction to stimulation in many cell types and may serve as the signal for proliferation (for review, see Ref. 18). In this vein, there is a direct relation between pH i and the … WebOct 18, 2024 · The resulting cytoplasm alkalinization regulates pH-dependent channels; hence the Ksper and Slo outward potassium channels are activated (Navarro et al., 2007; Santi et al., 2010) while the inward sodium ENac channel is inhibited. This leads to hyperpolarization of the plasma membrane and in turn activates voltage- and pH …

WebSep 11, 2024 · The cytoplasmic alkalinization, PIN3/7 relocalization within the statocytes, and lateral auxin-gradient formation across the root tip upon gravity sensing, can all be …

WebDec 1, 2004 · Stimulation of eosinophils with PAF produced time-dependent alkalinization of the cytoplasm from an initial pH of 7.1+/-0.04 to 7.5+/-0.05. A similar alkalinization response was produced by... derrick higginbothamWebJul 14, 2024 · NHE1 is activated by growth factors, to a large extent via ERK1/2 [33,35], resulting in cytoplasmic alkalinization, which supports proliferation. Aldosterone can also stimulate NHE1 in an ERK1/2-dependent manner, leading to cytoplasmic alkalinization [36,37]. In the present study, we tested the hypothesis that aldosterone-induced … derrick hollie reaching americaWebMar 5, 2002 · Application of weak alkalinizing agents, such as benzylamine or methylamine, enhances the cytosolic pH in guard cells and promotes stomatal closure, while butyrate, a weak acid, decreases the... chrysalis consulting group incWebNov 15, 2004 · Cytosolic alkalinization occurs in human eosinophils stimulated with platelet-activating factor (PAF), but not with phorbol myristate acetate (PMA) or IL-5. Purified human eosinophils were loaded with BCECF/AM and stimulated with media control, PAF … chrysalis continuing careWebJun 14, 2004 · Although cytoplasmic alkalinization was triggered by Na + -glucose cotransport in Y353F ezrin expressing cells, the magnitude of alkalinization in three independent clones was reduced by 36 ± 8% ( Fig. 2 A, P < 0.01). derrick hoist crosswordWebAug 4, 2006 · Interestingly, adk1-1 does not affect gravity-induced cytoplasmic alkalinization of the root statocytes, suggesting either that ADK1 functions between cytoplasmic alkalinization and PIN3 relocalization in a linear pathway or that the pH and PIN3-relocalization responses to gravistimulation belong to distinct branches of the … derrick holliday newcastle universityWebCytoplasmic alkalinization is a major step in the ABA-triggered signal cascade in guard cells leading to H + efflux and stomatal closure. Citation 4 , Citation 20 Such intracellular pH alterations play an important role in a variety of processes including, plant defense, coleoptile or root hair growth, nodulation, elicitation Citation 21 ... chrysalis consulting llc