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JOURNAL ARTICLE
Elif Güner, Şule Aktaç
OBJECTIVES: Although an increasing number of studies show that time-restricted feeding may improve metabolic health, studies examining the behavioral effects of this eating pattern are limited. This study examined the effect of time-restricted feeding on impulsivity in adults. METHODS: Thirty adults aged 25-41 years participated in this randomized controlled trial. The intervention group followed time-restricted feeding for 4 weeks and there was no energy restriction in the intervention group (n = 15) or control group (n = 15)...
April 22, 2024: Nutritional Neuroscience
#2
JOURNAL ARTICLE
Zonglin Li, Yahui Zhong, Zhoulei Qing, Zhimin Li
Cytidine triphosphate (CTP), as a substance involved in the metabolism of phospholipids, proteins and nucleic acids, has precise drug effects and is a direct precursor for the synthesis of drugs such as citicoline. In this study, we established an in vitro six-enzyme cascade system to generate CTP. To avoid thermodynamic bottlenecks, we employed a circuitous and two-stage reaction strategy. Using cytidine as the key substrate, the final product CTP is obtained via the deamination and uridine phosphorylation pathways, relying on the irreversible reaction of cytidine triphosphate synthase to catalyze the amination of uridine triphosphate...
January 4, 2024: Bioresources and Bioprocessing
#3
JOURNAL ARTICLE
Darren J X Chow, Tiffany C Y Tan, Avinash Upadhya, Megan Lim, Kishan Dholakia, Kylie R Dunning
Embryo quality is an important determinant of successful implantation and a resultant live birth. Current clinical approaches for evaluating embryo quality rely on subjective morphology assessments or an invasive biopsy for genetic testing. However, both approaches can be inherently inaccurate and crucially, fail to improve the live birth rate following the transfer of in vitro produced embryos. Optical imaging offers a potential non-invasive and accurate avenue for assessing embryo viability. Recent advances in various label-free optical imaging approaches have garnered increased interest in the field of reproductive biology due to their ability to rapidly capture images at high-resolution, delivering both morphological and molecular information...
April 22, 2024: Biology of Reproduction
#4
JOURNAL ARTICLE
Adam R Barno, Kevin Green, Forest Rohwer, Cynthia B Silveira
Algal blooms can give snowmelt a red color, reducing snow albedo and creating a runaway effect that accelerates snow melting. The occurrence of red snow is predicted to grow in polar and subpolar regions with increasing global temperatures. We hypothesize that these algal blooms affect virus-bacteria interactions in snow, with potential effects on snowmelt dynamics. A genomic analysis of double-stranded DNA virus communities in red and white snow from the Whistler region of British Columbia, Canada, identified 792 putative viruses infecting bacteria...
April 22, 2024: MSystems
#5
JOURNAL ARTICLE
Changbing Zheng, Yinzhao Zhong, Peiwen Zhang, Qiuping Guo, Fengna Li, Yehui Duan
BACKGROUD: We previously demonstrated that Shaziling and Yorkshire pigs differ in growth rate and meat quality. However, the molecular mechanisms responsible for such phenotypic differences remains unclear. Here, we performed a transcriptomic analysis of 36 longissimus dorsi (LM) and 36 soleus (SM) muscle samples from Shaziling and Yorkshire pigs at six postnatal stages (30, 60, 90, 150, 210, and 300 days) to explore the differences in postnatal skeletal muscle of Shaziling and Yorkshire pigs...
April 22, 2024: Journal of the Science of Food and Agriculture
#6
JOURNAL ARTICLE
Sarah Hardebeck, Natalie Jácobo Goebbels, Caroline Michalski, Sebastian Schreiber, Joachim Jose
Proliferating cell nuclear antigen (PCNA) is an essential factor for DNA metabolism. The influence of PCNA on DNA replication and repair, combined with the high expression rate of PCNA in various tumours renders PCNA a promising target for cancer therapy. In this context, an autodisplay-based screening method was developed to identify peptidic PCNA interaction inhibitors. A 12-mer randomized peptide library consisting of 2.54 × 106 colony-forming units was constructed and displayed at the surface of Escherichia coli BL21 (DE3) cells by autodisplay...
April 2024: Microbial Biotechnology
#7
JOURNAL ARTICLE
P Säynäjäkangas, J Halonen, S Lusa, J Borgenström, T Kukonlehto, P Tuomi, A Kotamäki, T Pietilä, A Mänttäri, A Punakallio
The main goal of this study was to update the Finnish smoke-diving drill (FSDD) and to measure the physical strain of and recovery from the drill. Furthermore, the aim was to compare the physical strain of contract and professional firefighters and effect of floor materials. The associations between aerobic capacity and physical strain were also studied. The updates made included an added hose pull task and updating the equipment used. Heart rate (HR), oxygen consumption (V̇O2 ), and blood lactate concentration ([La-]) of 32 professional and 5 contract firefighters were measured before, during, and 10 and 30 min after the updated drill...
April 22, 2024: Ergonomics
#8
JOURNAL ARTICLE
Emma Eko Tabe Niba, Hiroyuki Awano, Noriyuki Nishimura, Hiroshi Koide, Masafumi Matsuo, Masakazu Shinohara
The dystrophin ( DMD) gene is recognized for its significance in Duchenne muscular dystrophy (DMD), a lethal and progressive skeletal muscle disease. Some DMD patients, as well as model mice with muscular dystrophy (mdx), spontaneously develop various types of tumors, among which rhabdomyosarcoma (RMS) is the most prominent. By contrast, spindle cell sarcoma (SCS) has rarely been reported in patients or mdx mice. In this study, we aimed to use metabolomics to better understand the rarity of SCS development in mdx mice...
April 22, 2024: American Journal of Physiology. Cell Physiology
#9
JOURNAL ARTICLE
Ricardo Alva, Jacob E Wiebe, Jeffrey A Stuart
The transcriptional response to hypoxia is largely regulated by the hypoxia-inducible factors (HIFs), which induce the expression of genes involved in glycolysis, angiogenesis, proliferation, and migration. Virtually all cell culture-based hypoxia experiments have used near-atmospheric (18% O2 ) oxygen levels as baseline for comparison to hypoxia. However, this is hyperoxic compared to mammalian tissue microenvironments, where oxygen levels range from 2-9% O2 (physioxia). Thus, these experiments actually compare hyperoxia to hypoxia...
April 22, 2024: American Journal of Physiology. Cell Physiology
#10
JOURNAL ARTICLE
Hiroko Makihara, Mika Maezawa, Kazusa Kaiga, Toshihiko Satake, Mayu Muto, Yui Tsunoda, Tsutomu Shimada, Tomoko Akase
Various cytochrome P450 enzymes (CYPs) that contribute to drug metabolism are expressed in the skin. However, variation among individuals in CYP expression profiles is not well-understood.To investigate CYPs related to the metabolism of transdermal preparations in Japan, multiple skin tissue specimens of individuals of Japanese descent were prepared, and the mRNA expression levels of CYP1A2, CYP3A4, and CYP3A5 were measured. Associations between the expression patterns of these CYPs and body mass index (BMI) were also investigated...
April 22, 2024: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
#11
JOURNAL ARTICLE
Hina Shaheen, Roderick Melnik, Sundeep Singh
The abnormal aggregation of extracellular amyloid-<mml:math xmlns:mml="https://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi><mml:mspace/><mml:mo>(</mml:mo><mml:mi>A</mml:mi><mml:mi>β</mml:mi><mml:mo>)</mml:mo></mml:math> in senile plaques resulting in calcium <mml:math xmlns:mml="https://www.w3.org/1998/Math/MathML"><mml:mfenced><mml:mrow><mml:msup><mml:mrow><mml:mi>C</mml:mi><mml:mi>a</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo><mml:mn>2</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:mfenced></mml:math> dyshomeostasis is one of the primary symptoms of Alzheimer's disease (AD)...
April 2024: Statistical Analysis and Data Mining
#12
JOURNAL ARTICLE
Corinne E Metzger, Robert C Moore, Alexander S Pirkle, Landon Y Tak, Josephina Rau, Jessica A Bryan, Alexander Stefanov, Matthew R Allen, Michelle A Hook
Spinal cord injury (SCI) leads to significant sublesional bone loss and high fracture rates. While loss of mechanical loading plays a significant role in SCI-induced bone loss, animal studies have demonstrated mechanical loading alone does not fully account for loss of bone following SCI. Indeed, we have shown that bone loss occurs below the level of an incomplete moderate contusion SCI, despite the resumption of weight-bearing and stepping. As systemic factors could also impact bone after SCI, bone alterations may also be present in bone sites above the level of injury...
June 2024: Bone Reports
#13
JOURNAL ARTICLE
V Baron, S T Sommer, D J Fiegle, A-K M Pfeuffer, R Peyronnet, T Volk, T Seidel
Introduction: Recent advances have enabled organotypic culture of beating human myocardial slices that are stable for weeks. However, human myocardial samples are rare, exhibit high variability and frequently originate from diseased hearts. Thus, there is a need to adapt long-term slice culture for animal myocardium. When applied to animal cardiac slices, studies in healthy or genetically modified myocardium will be possible. We present the culture of slices from rabbit hearts, which resemble the human heart in microstructure, electrophysiology and excitation-contraction coupling...
2024: Frontiers in Bioengineering and Biotechnology
#14
REVIEW
Luke J Webster, Denys Villa-Gomez, Reuben Brown, William Clarke, Peer M Schenk
The increase in global population and industrial development has led to a significant release of organic and inorganic pollutants into water streams, threatening human health and ecosystems. Microalgae, encompassing eukaryotic protists and prokaryotic cyanobacteria, have emerged as a sustainable and cost-effective solution for removing these pollutants and mitigating carbon emissions. Various microalgae species, such as C. vulgaris, P. tricornutum, N. oceanica, A. platensis, and C. reinhardtii, have demonstrated their ability to eliminate heavy metals, salinity, plastics, and pesticides...
2024: Frontiers in Bioengineering and Biotechnology
#15
JOURNAL ARTICLE
Wenlong Yan, Xinhua Qi, Zhibei Cao, Mingdong Yao, Mingzhu Ding, Yingjin Yuan
There has been extensive research on the biological recycling of PET waste to address the issue of plastic waste pollution, with ethylene glycol (EG) being one of the main components recovered from this process. Therefore, finding ways to convert PET monomer EG into high-value products is crucial for effective PET waste recycling. In this study, we successfully engineered Escherichia coli to utilize EG and produce glycolic acid (GA), expecting to facilitate the biological recycling of PET waste. The engineered E...
September 2024: Synthetic and Systems Biotechnology
#16
JOURNAL ARTICLE
Anna Katharina Dunst, Clemens Hesse, Olaf Ueberschär
Background: This study aimed to investigate the changes in force-velocity (F/v) and power-velocity (P/v) relationships with increasing work rate up to maximal oxygen uptake and to assess the resulting alterations in optimal cadence, particularly at characteristic metabolic states. Methods: Fourteen professional track cyclists (9 sprinters, 5 endurance athletes) performed submaximal incremental tests, high-intensity cycling trials, and maximal sprints at varied cadences (60, 90, 120 rpm) on an SRM bicycle ergometer...
2024: Frontiers in Physiology
#17
Grigor Varuzhanyan, Chia-Chun Chen, Jack Freeland, Tian He, Wendy Tran, Kai Song, Liang Wang, Donghui Cheng, Shili Xu, Gabriella A Dibernardo, Favour N Esedebe, Evan R Abt, Jung Wook Park, Sanaz Memarzadeh, Thomas Graeber, Orian Shirihai, Owen Witte
Adenocarcinomas from multiple tissues can converge to treatment-resistant small cell neuroendocrine (SCN) cancers comprised of ASCL1, POU2F3, NEUROD1, and YAP1 subtypes. We investigated how mitochondrial metabolism influences SCN cancer (SCNC) progression. Extensive bioinformatics analyses encompassing thousands of patient tumors and human cancer cell lines uncovered enhanced expression of PGC-1α, a potent regulator of mitochondrial oxidative phosphorylation (OXPHOS), across several SCNC types. PGC-1α correlated tightly with increased expression of the lineage marker ASCL1 through a positive feedback mechanism...
April 13, 2024: bioRxiv
#18
Jacob C Massey, Joseph Magagnoli, S Scott Sutton, Phillip J Buckhaults, Michael D Wyatt
Genome instability is a hallmark of cancer and are driven by mutations in oncogenes and tumor suppressor genes. Despite successes seen with select targeted therapeutics, this type of personalized medicine is only beneficial for a small subpopulation of cancer patients who have one of a few actionable genetic changes. Most tumors also contain hundreds of passenger mutations that offered no fitness advantage or disadvantage during tumor evolution. Mutations in known pharmacogenetic (PGx) loci for which germline variants encode variability in drug response can cause somatically acquired drug sensitivity...
April 11, 2024: bioRxiv
#19
JOURNAL ARTICLE
Aswathi Pootheri, Wilner Martinez Lopez, Radha Saraswathy
BACKGROUND AND AIM: Asthma is a chronic airway hyperresponsiveness disorder and Obese people have greater rates of asthma incidence and prevalence. Obesity, a complex condition, can cause nutritional metabolic problems that change trace elements and minerals. Trace element and antioxidant levels affect asthma aetiology. In this study, we aim to determine the serum levels of trace elements Zn, Fe, Cu, Mg, Co, Ni, Pb, Cd, and Cr, total antioxidants (TAS), and lifestyle that determine specific clinical conditions in asthma and obesity patients from Vellore City (Tamil Nadu, India)...
April 30, 2024: Heliyon
#20
Fabio Vescini, Giorgio Borretta, Iacopo Chiodini, Marco Boniardi, Marina Carotti, Elena Castellano, Cristiana Cipriani, Cristina Eller-Vainicher, Sandro Giannini, Maurizio Iacobone, Antonio Stefano Salcuni, Federica Saponaro, Stefano Spiezia, Annibale Versari, Guido Zavatta, Zuzana Mitrova, Rosella Saulle, Simona Vecchi, Debora Antonini, Michele Basile, Alexia Giovanazzi, Agostino Paoletta, Enrico Papini, Agnese Persichetti, Irene Samperi, Alessandro Scoppola, Roberto Novizio, Pietro Giorgio Calò, Filomena Cetani, Luisella Cianferotti, Sabrina Corbetta, Maria Luisa De Rimini, Alberto Falchetti, Giovanni Iannetti, Stefano Laureti, Celestino Pio Lombardi, Bruno Madeo, Claudio Marcocci, Sandro Mazzaferro, Vittorio Miele, Salvatore Minisola, Andrea Palermo, Jessica Pepe, Alfredo Scillitani, Laura Tonzar, Franco Grimaldi, Renato Cozzi, Roberto Attanasio
AIM: This guideline (GL) is aimed at providing a clinical practice reference for the management of sporadic primary hyperparathyroidism (PHPT) in adults. PHPT management in pregnancy was not considered. METHODS: This GL has been developed following the methods described in the Manual of the Italian National Guideline System. For each question, the panel appointed by Associazione Medici Endocrinology (AME) and Società Italiana dell'Osteoporosi, del Metabolismo Minerale e delle Malattie dello Scheletro (SIOMMMS) identified potentially relevant outcomes, which were then rated for their impact on therapeutic choices...
December 23, 2023: Endocrine, Metabolic & Immune Disorders Drug Targets
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