Open Access

REVIEW

Yesica Romina FRONTINI-LÓPEZ¹, Aldana Daniela GOJANOVICH¹, Diego MASONE^1,2, Diego Martín BUSTOS^1,3, Marina UHART¹
BIOCELL, Vol.42, No.3, pp. 67-78, 2018, DOI:10.32604/biocell.2018.07013
Abstract In the last years, much work has shown that the most effective repair system of the body is represented by stem cells, which are defined as undifferentiated precursors that own unlimited or prolonged self-renewal ability, which also have the potential to transform themselves into various cell types through differentiation.All tissues that form the body contain many different types of somatic cells, along with stem cells that are called ‘mesenchymal stem (or stromal) cells’ (MSC). In certain circumstances, some of these MSC migrate to injured tissues to replace dead cells or to undergo differentiation to repair… More >

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ARTICLE

Hong YE^1,6,#, WeiWei Wang^2,#, Yu Ding^3,#, XiaoLei Liu^4,#, WenJI Jia¹, WeiLi Luo¹, HuiJuan Fan¹, HongQun Zhou¹, Jin Wang¹, JianLong Ju¹, DongMing Zhou⁷, TianHao Bao^5,1,*, YuHong Zhu^1,*
BIOCELL, Vol.42, No.3, pp. 79-86, 2018, DOI:10.32604/biocell.2018.04615
Abstract Ischemic postconditioning (IP) has been shown to provide protection for ischemia/reperfusion (IR) injury, but its efficacy is limited. In this study we hypothesized that spontaneous running wheel (RW) could improve neuroprotection efficacy of IP for IR. We established mouse models of IR and showed that compared to Sham group, IR group had obvious brain infract and neurological dysfunction. In IR+IP group, brain infract and neurological dysfunction improved compared to IR group. However, in IR+IP+RW group brain infract and neurological dysfunction improved much better. TUNEL assay showed that IP but not RW significantly reduced the number… More >

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ARTICLE

Sergio LAURITO^{1, 2}, Juan A. CUETO^{1, 3}, Jimena PEREZ¹, María ROQUÉ^{1, 2}
BIOCELL, Vol.42, No.3, pp. 87-92, 2018, DOI:10.32604/biocell.2018.07016
Abstract Spinal muscular atrophy (SMA) is caused by dysfunction of the alpha motor neurons of the spinal cord. It is an autosomal recessive disease associated to the SMN1 gene, located in the subtelomeric region of 5q13. A paralog SMN2 gene is located at the centromeric region of the same chromosome, which apparently originated by an ancestral inverted duplication occurring only in humans. The exon sequence differs in two nucleotides in exon 7 and exon 8, which leads to an SMN2 transcript that lacks exon 7 and results in a truncated protein. Part (10%) of the SMN2… More >

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ARTICLE

Mahmoud MOUSTAFA^{1, 2}, Saad ALAMRI¹, Mohamed ELNOUBY³, Tarek TAHA⁴, M. A. ABU-SAIED⁵, Ali SHATI¹, Mohamed AL-KAHTANI¹, Sulaiman ALRUMMAN¹
BIOCELL, Vol.42, No.3, pp. 93-98, 2018, DOI:10.32604/biocell.2018.07014
Abstract Water contaminated with pathogenic microbes is considered as one of the most common routes for transmitting diseases in human beings. Different methods have been applied for the decontamination of microbes in contaminated water. In the current study, an easy to do hydrothermal method has been used for the preparation of TiO₂-Ag nanoparticles. The obtained material was characterised using a scanning electron microscope (SEM) and fourier transform infra-red spectroscopy (FTIR). The morphological appearance of the obtained nanoparticles was in the shape of a sphere with a size range of 60-90 nm. The antimicrobial activity of the prepared More >

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ARTICLE

Jie Zhong^1,#, Li Deng^2,#, Yu Jiang³, Lianhong Zou³, Huabing Yuan⁴, Shuang-xiang Tan^1,*
BIOCELL, Vol.42, No.3, pp. 99-104, 2018, DOI:10.32604/biocell.2018.04915
Abstract This study aimed to determine the effects of black tea polyphenols on gene expression in hepatocellular cancer cells. The total RNA from HepG2 hepatocellular cancer cells treated with black tea polyphenols was subjected to Human 14K cDNA microarray analysis. Real-time PCR and Western blot analysis were conducted to verify microarray data. Black tea polyphenols treatment at the dose of 20 mg/L, 40 mg/L or 80 mg/L for one to three days inhibited the growth of HepG2 cells in a dose and time dependent manner. A total of 48 genes showed more than two-fold change… More >

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ARTICLE

Juan Agustín CUETO³, Emile SANTOS BARRIAS⁶, Wanderley de SOUZA^{4, 5}, Patricia Silvia ROMANO^{1, 2}
BIOCELL, Vol.42, No.3, pp. 105-108, 2018, DOI:10.32604/biocell.2018.07017
Abstract Trypanosoma cruzi is the causative agent of Chagas disease. This parasite requires the intracellular niche in order to proliferate and disseminate the infection. After invasion, T. cruzi resides temporarily in an acidic vacuole which is lysed by a not well-understood mechanism. Transmission electron microscopy was used to describe the process of T. cruzi escape from the parasitophorous vacuole over the time. Using HeLa (non-professional phagocytic cells) as host cell, we observed that recently internalized parasites reside in a membrane-bounded vacuole. A few hours later, the first sign of vacuole disruption appeared as membrane discontinuities. This observation was followed More >

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