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Short-Chain Fatty Acids (SCFA) are products of intestinal microbial metabolism that can reach the brain and alter microglia in health and disease contexts. However, data are conflicting on the effect of acetate, the most abundant SCFA in the blood, in these cells.

The authors aimed to investigate acetate as a modulator of the inflammatory response in microglia stimulated with LPS.

The authors used an immortalized cell line, C8-B4, and primary cells for in vitro treatments with acetate and LPS. Cell viability was analyzed by MTT, cytokine by RT-PCR, ELISA, and flow cytometry. The authors also performed in vivo and in silico analyses to study the role of acetate and the TNF-α contribution to the development of Experimental Autoimmune Encephalomyelitis (EAE).

Acetate co-administered with LPS was able to exacerbate the production of pro-inflammatory cytokines at gene and protein levels in cell lines and primary culture of microglia. However, the same effects were not observed when acetate was administered alone or as pretreatment, prior to the LPS stimulus. Additionally, pharmacological inhibition of histone deacetylase concomitantly with acetate and LPS led to decreased TNF-α production. In silico analysis showed a crucial role of the TNF-α pathway in EAE development. Moreover, acetate administration in vivo during the initial phase of EAE led to a better disease outcome and reduced TNF-α production.

Treatment with acetate was able to promote the production of TNF-α in a concomitant LPS stimulus of microglia. However, the immune modulation of microglia by acetate pretreatment may be a component in the generation of future therapies for neurodegenerative diseases.
Treatment with acetate was able to promote the production of TNF-α in a concomitant LPS stimulus of microglia. However, the immune modulation of microglia by acetate pretreatment may be a component in the generation of future therapies for neurodegenerative diseases.
Mindfulness-based stress reduction (MBSR) is often used as a complementary treatment for chronic low back pain (CLBP), but its effects on the physical function component of the outcome are not addressed. This systematic review aims to examine the effectiveness of MBSR on outcomes of physical functions in CLBP individuals.

Databases searched included PubMed/MEDLINE, PEDro, The Cochrane Database of Systematic Reviews, Web of Science, Scopus, CINAHL, Embase, and other sources (Google Scholar, ProQuest, Research Gate) from inception to January 2022. Randomized controlled trials (RCTs) comparing MBSR with additional interventions that evaluated physical function among CLBP individuals were included. Two independent reviewers performed data extraction. The risk of bias was assessed using the Cochrane risk-of-bias tool.

Six RCTs involving CLBP individuals were eligible for review. The between-group differences in RMDQ for the MBSR therapies against comparator therapies were significant at eight weeks follow-up (3 RCTs; MD, -1.28 [CI, -2.04 to -0.53]) and six months follow-up (2 RCTs; MD, -0.16 [CI, -1.01 to 0.69]).

MBSR therapy improves physical function at 8 weeks and 6 months follow-up in CLBP individuals. Further high-quality RCTs are warranted for the long-term effect of MBSR therapy on physical function outcomes.
MBSR therapy improves physical function at 8 weeks and 6 months follow-up in CLBP individuals. Further high-quality RCTs are warranted for the long-term effect of MBSR therapy on physical function outcomes.Disinfection is known to greatly alter bacterial characteristics in water, and high horizontal gene transfer (HGT) frequency occurs in eutrophic conditions. Interestingly, these two seemingly irrelevant phenomena were closely linked by a lagging response of the increased conjugation frequency probably via daily water disinfection in this study. Three disinfection methods (UV, chlorine, and UV/chlorine) were selected to investigate the increased frequency of conjugation of ARGs during the stage of continuing culture after disinfection. The results showed that the conjugative transfer frequency was inhibited for all disinfection treatments after 24 h of co-incubation. Unexpectedly, after 3-7 days of co-cultivation, the HGT frequencies were increased by 2.71-5.61-fold and 5.46-13.96-fold in chlorine (30 min) and UV/chlorine (1 min) groups compared to the control, but not in UV-irradiated groups. A neglected lagging response was found for the first time, i.e., oxidative disinfection-induced dormancy promotes conjugative transfer of ARGs. Furthermore, mechanistic insights were gained from (1) membrane permeability, (2) conjugation-regulated system, (3) efflux pump system, and (4) oxidative stress system, suggesting the critical role of enhancing efflux and oxidative stress in the propagation of ARGs. Finally, the known instantaneous effect of oxidation disinfection was compared to address the controversial debate in this research field, proposing that the dormancy level of donor bacteria is the key to evaluating whether it can promote the HGT process. This study has important environmental implications for elucidating the transmission of ARGs after oxidation disinfection.Currently, intercalation materials such as Prussian blue analogs have attracted considerable attention in water treatment applications due to their excellent size-based selectivity toward cations. This study aimed to explore the feasibility of using a nickel hexacyanoferrate (NiHCF) electrode for selective NH4+ capture from effluent from a municipal wastewater treatment plant. To assess the competitive intercalation between NH4+ and other common cations (Na+, Ca2+), a NiHCF//activated carbon (AC) hybrid capacitive deionization (CDI) cell was established to treat mixed-salt solutions. The results of cyclic voltammetry (CV) analysis showed a higher current response of the NiHCF electrode toward NH4+ ions than toward Na+ and Ca2+ ions. In a single-salt solution with NH4+, the optimized operating voltage of the hybrid CDI cell was 0.8 V, with a higher salt adsorption capacity (51.2 mg/g) than those obtained at other voltages (0.1, 0.4, 1.2 V). In a multisalt solution containing NH4+, Na+, and Ca2+ ions, the selectivity coefficients of NH4+/Ca2+ and NH4+/Na+ were 9.5 and 4.9, respectively. The feasibility of selective NH4+ capture using the NiHCF electrode in a hybrid CDI cell was demonstrated by treating the effluent from a municipal wastewater treatment plant (WWTP). The intercalation preference of the NiHCF electrode with the WWTP effluent was NH4+>K+>Na+>Ca2+>Mg2+, and NH4+ showed the highest salt adsorption capacity among the cations during consecutive cycles. Our results revealed that cations with smaller hydrated radii and lower (de)hydration energies were more favorably intercalated by the NiHCF electrode. The results provide important knowledge regarding the use of intercalation-type electrodes for selective nutrient removal and recovery from wastewater.This study proposed that decreasing liquid polarity could weaken the intermolecular polar force at solid-liquid interface of waste-activated sludge (WAS). Accordingly, a process for enhanced sludge dewatering through liquid polarity regulation was established. The liquid polarity was quantified by dielectric constant and the decrease of liquid dielectric constant below 50 was found to significantly improve the solid-liquid separation performance of WAS in terms of filterability by >70%. The differential scanning calorimeter (DSC) coupled with mass spectrum (MS) identified that 60 °C was the appropriate temperature for liquid amendment (i.e., acetonitrile) recovery from filtered sludge cake, and the corresponding energy consumption was calculated to be at most 799.0 J/g, which was substantially lower than that of water evaporation by sludge drying. The NaCl addition with 75% of saturated concentration could non-thermally recover 91.7 ± 4.9% of acetonitrile amendment from filtrate by salting-out. VE-821 The great pote over 1.8) tended to dissolve in the liquid phase with lower polarity, which was accompanied with the reduced interfacial free energy of WAS. On the contrary, the proteins with buried amino acid residues (e.g., the central hydrophobic β-sheet is surrounded by the hydrophilic α-helix) precipitated in the solid phase with the decreasing liquid polarity. All these findings are expected to create a novel option for dewatering WAS with recyclable liquid conditioning agents, and provide the improved mechanistic insights into the migration of interfacial compositions controlling the dewaterability of WAS.When we read fiction, we encounter characters that interact in the story. As such, we encode that information and comprehend the stories. Prior studies suggest that this comprehension process is facilitated by taking the perspective of characters during reading. Thus, two questions of interest are whether people take the perspective of characters that are not perceived as capable of experiencing perspectives (e.g., robots), and whether current models of language comprehension can explain these differences between human and nonhuman protagonists (or lack thereof) during reading. The study aims to (1) compare the situation model (i.e., a model that factors in a protagonist's perspective) and the RI-VAL model (which relies more on comparisons of newly acquired information with information stored in long term memory) and (2) investigate whether differences in accessibility of information differ based on adopting the intentional stance towards a robot. To address the aims of our study, we designed a preregistered read (situation model), while younger adults compared new information with information stored in long-term memory (RI-VAL model). This suggests that comparing to information in long term memory is cognitively more costly. Therefore, with older adults used less cognitively demanding strategy of simulation.Despite the prevalence of social media multitasking (SMM), its effects on well-being have received little attention. Of the nine studies that directly examined this topic, six found a negative relationship between SMM and well-being variables, and three found mixed or no effects. We compare the findings with those from five meta-analyses of general media multitasking (GMM) and 15 recent studies on GMM and well-being. We propose three pathways for the impact of SMM on well-being, with a potential mediating role of cognitive functions and performance. Based on the review, we suggest four directions for future research by emphasizing (1) characteristics of SMM, (2) multiple goals of SMM, (3) different types and aspects of well-being (e.g., enjoyment, purpose), and (4) person-specific effects.Questions are important tools for uncovering information, but to avoid deception, question askers must be strategic in what and how they ask-and consider the social implications of their questions. Askers should consider that in addition to soliciting information, questions also signal information about expected answers, askers' own knowledge, and the parties' relationship. We review literature on deception, conversations, and impression management to discuss signals embedded in question phrasing, and how these signals affect the truthfulness of respondents' disclosures. Askers can increase truthful disclosure by remaining neutral about the desirability of possible responses, conveying knowledge of the topic, and signaling trust. We identify how asking better questions requires being more cognizant of the informational and relational signals that questions send.
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