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  • Open Access

    ARTICLE

    Knockdown of circular RNA (CircRNA)_001896 inhibits cervical cancer proliferation and stemness in vivo and in vitro

    JIA SHAO1,2, CAN ZHANG2, YAONAN TANG2, AIQIN HE2, WEIPEI ZHU1,*

    BIOCELL, Vol.48, No.4, pp. 571-580, 2024, DOI:10.32604/biocell.2024.049092

    Abstract Objective: Previous studies indicated that aberrant circular RNA (circRNA) expression affects gene expression regulatory networks, leading to the aberrant activation of tumor pathways and promoting tumor cell growth. However, the expression, clinical significance, and effects on cell propagation, invasion, and dissemination of circRNA_001896 in cervical cancer (CC) tissues remain unclear. Methods: The Gene Expression Omnibus (GEO) datasets (GSE113696 and GSE102686) were used to examine differential circRNA expression in CC and adjacent tissues. The expression of circRNA_001896 was detected in 72 CC patients using fluorescence quantitative PCR. Correlation analysis with clinical pathological features was performed through COX multivariate and univariate analysis.… More >

  • Open Access

    REVIEW

    A perspective review on the biosynthesis of plant-based secondary metabolites and their application as potent drugs

    JHILAM PRAMANIK1,#, AKASH KUMAR2, SARVESH RUSTAGI3,#, MEHAK KATYAL4, SHEETAL THAKUR5, JUTISHNA BORA6, SUMIRA MALIK6,7,*, ANCHAL TREHAN8, NAYAN TALUKDAR9, PETR SLAMA10,*

    BIOCELL, Vol.48, No.4, pp. 541-557, 2024, DOI:10.32604/biocell.2023.029031

    Abstract Many phytochemicals and their derived metabolites produced by plants are extensively employed in commercial goods, pharmaceutical products as well as in the environmental and medical fields. However, these secondary metabolites obtained from plants are in low amounts, and it is difficult to synthesize them at the industrial level. Despite these challenges, they may be utilized for a variety of medicinal products that are either available in the market or are being researched and tested. Secondary metabolites are complex compounds that exhibit chirality. Further, under controlled conditions with elicitors, desired secondary metabolites may be produced from plant cell cultures. This review… More > Graphic Abstract

    A perspective review on the biosynthesis of plant-based secondary metabolites and their application as potent drugs

  • Open Access

    ARTICLE

    Synthesis and Characterization of Phenyl Camellia oleifera Seed Oil Ester Plasticizing PVC

    Wenqing Xiao1,#, Yuhang Liu2,#, Yuxin He1, Qiaoguang Li1,*, Yongquan Li3,*

    Journal of Renewable Materials, Vol.12, No.3, pp. 615-628, 2024, DOI:10.32604/jrm.2023.046780

    Abstract Plasticizers are essential additives in the processing of polyvinyl chloride (PVC), with phthalate plasticizers being widely used. However, these conventional plasticizers have been shown to be harmful to human health and environmentally unfriendly, necessitating the exploration of eco-friendly bio-based alternatives. In this study, Camellia oleifera seed oil, a specialty resource in China, was utilized as a raw material and reacted with 4,4′-Methylenebis(N,N-diglycidylaniline) (AG-80) to synthesize Phenyl Camellia seed Oil Ester (PCSOE). PCSOE was employed as a plasticizer to prepare modified PVC films with varying concentrations, with the conventional plasticizer dioctyl phthalate (DOP) serving as a control. Experimental results demonstrate that… More >

  • Open Access

    REVIEW

    Overview of Jute Fibre as Thermoplastic Matrix Polymer Reinforcement

    Tezara Cionita1,*, Mohammad Hazim Mohamad Hamdan2, Januar Parlaungan Siregar3,4,*, Deni Fajar Fitriyana5, Ramli Junid6, Wong Ling Shing7, Jamiluddin Jaafar8, Agustinus Purna Irawan9, Teuku Rihayat10, Rifky Ismail11, Athanasius Priharyoto Bayuseno11, Emilianus Jehadus12

    Journal of Renewable Materials, Vol.12, No.3, pp. 457-483, 2024, DOI:10.32604/jrm.2024.045814

    Abstract Recent decades have seen a substantial increase in interest in research on natural fibres that is aligned with sustainable development goals (SDGs). Due to their renewable resources and biodegradability, natural fiber-reinforced composites have been investigated as a sustainable alternative to synthetic materials to reduce the usage of hazardous waste and environmental pollution. Among the natural fibre, jute fibre obtained from a bast plant has an increasing trend in the application, especially as a reinforcement material. Numerous research works have been performed on jute fibre with regard to reinforced thermoset and thermoplastic composites. Nevertheless, current demands on sustainable materials have required… More >

  • Open Access

    ARTICLE

    Plasticized Polyethylene/Chitosan Blend Films and Study of the Effect of Plasticizers on their various Properties and Biodegradabilty

    HULYA SEMA KOKER1, HÜLYA YAVUZ ERSAN1, AYSE AYTAC2,3,*

    Journal of Polymer Materials, Vol.37, No.3-4, pp. 165-177, 2020, DOI:10.32381/JPM.2020.37.3-4.4

    Abstract Chitosan (CH) and low-density polyethylene (PE) blend films were produced by a twin-screw extruder and heat press with different plasticizers glycerol (GLY), sorbitol (SOR) and polyethylene glycol (PEG). The tensile strength decreased and elongation at break increased with the incorporation of plasticizer for blends with 10 wt% of CH. The thermal stability of the films was slightly higher for films containing GLY and PEG as compared to SOR. Contact angles reduced from CH-PE film to the films containing PEG, SOR and GLY in decreasing order, respectively. Fourier transform infrared spectroscopy revealed no interactions between CH and PE in CH-PE film… More >

  • Open Access

    ARTICLE

    Enhancing the Performance of Polylactic Acid (PLA) Reinforcing with Sawdust, Rice Husk, and Bagasse Particles

    A. MADHAN KUMAR1, K. JAYAKUMAR2,*, M. SHALINI3

    Journal of Polymer Materials, Vol.39, No.3-4, pp. 269-281, 2022, DOI:10.32381/JPM.2022.39.3-4.7

    Abstract Polylactic acid (PLA) is the most popular thermoplastic biopolymer providing a stiffness and strength alternative to fossil-based plastics. It is also the most promising biodegradable polymer on the market right now, thus gaining a substitute for conservative artificial polymers. Therefore, the current research focuses on synthesizing and mechanical characterization of particlereinforced PLA composites. The hot compression molding technique was used to fabricate PLA-based composites with 0, 2.5, 5, and 7.5 weight % of sawdust, rice husk, and bagasse particle reinforcements to enhance the performance of the PLA. The pellets of PLA matrix were taken with an average size of 3… More >

  • Open Access

    ARTICLE

    Enhanced Mechanical and Electrical Properties of Styrene Butadiene Rubber Nanocomposites with Graphene Platelet Nano-powder

    ARUN KUMAR M, JAYAKUMARI LS*, RAMJI CHANDRAN

    Journal of Polymer Materials, Vol.40, No.3-4, pp. 141-156, 2023, DOI:10.32381/JPM.2023.40.3-4.2

    Abstract Nanocomposites are very important materials because it imparts superior properties than other composites with low level of filler loading. Styrene butadiene rubber (SBR) is a non-polar rubber which acts as an insulator and has low electrical conductivity. Graphene platelet nano-powder from 0.1 to 1.25 phr level is incorporated into SBR rubber in order to improve the electrical properties. Comparative studies on electrical and mechanical properties of styrene butadiene rubber with graphene platelet nano-powder (GPN) by varying the filler content are made. The incorporation of Graphene platelet nano-powder increases the electrical conductivity in styrene butadiene rubber. It has been observed that… More >

  • Open Access

    ARTICLE

    Landscape of Sequence Variations in Homologous Copies of FAD2 and FAD3 in Rapeseed (Brassica napus L.) Germplasm with High/Low Linolenic Acid Trait

    Haoxue Wu#, Xiaohan Zhang§,#, Xiaoyu Chen, Kang Li, Aixia Xu, Zhen Huang, Jungang Dong, Chengyu Yu*

    Phyton-International Journal of Experimental Botany, Vol.93, No.3, pp. 627-640, 2024, DOI:10.32604/phyton.2024.050321

    Abstract Genetic manipulation (either restraint or enhancement) of the biosynthesis pathway of α-linolenic acid (ALA) in seed oil is an important goal in Brassica napus breeding. B. napus is a tetraploid plant whose genome often harbors four and six homologous copies, respectively, of the two fatty acid desaturases FAD2 and FAD3, which control the last two steps of ALA biosynthesis during seed oil accumulation. In this study, we compared their promoters, coding sequences, and expression levels in three high-ALA inbred lines 2006L, R8Q10, and YH25005, a low-ALA line A28, a low-ALA/high-oleic-acid accession SW, and the wildtype ZS11. The expression levels of… More >

  • Open Access

    REVIEW

    SPATULA as a Versatile Tool in Plant: The Progress and Perspectives of SPATULA (SPT) Transcriptional Factor

    Lei Liang, Xiangyang Hu*

    Phyton-International Journal of Experimental Botany, Vol.93, No.3, pp. 517-531, 2024, DOI:10.32604/phyton.2024.049277

    Abstract With the rapid development of modern molecular biology and bioinformatics, many studies have proved that transcription factors play an important role in regulating the growth and development of plants. SPATULA (SPT) belongs to the bHLH transcription family and participates in many processes of regulating plant growth and development. This review systemically summarizes the multiple roles of SPT in plant growth, development, and stress response, including seed germination, flowering, leaf size, carpel development, and root elongation, which is helpful for us to better understand the functions of SPT. More >

  • Open Access

    ARTICLE

    Correlation and Pathway Analysis of the Carbon, Nitrogen, and Phosphorus in Soil-Microorganism-Plant with Main Quality Components of Tea (Camellia sinensis)

    Chun Mao1, Ji He1,*, Xuefeng Wen1, Yangzhou Xiang2, Jihong Feng1, Yingge Shu1

    Phyton-International Journal of Experimental Botany, Vol.93, No.3, pp. 487-502, 2024, DOI:10.32604/phyton.2024.048246

    Abstract The contents of carbon (C), nitrogen (N), and phosphorus (P) in soil-microorganisms-plant significantly affect tea quality by altering the main quality components of tea, such as tea polyphenols, amino acids, and caffeine. However, few studies have quantified the effects of these factors on the main quality components of tea. The study aimed to explore the interactions of C, N, and P in soil-microorganisms-plants and the effects of these factors on the main quality components of tea by using the path analysis method. The results indicated that (1) The contents of C, N, and P in soil, microorganisms, and tea plants… More >

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