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Biological Research

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https://read.qxmd.com/read/31088536/chronic-prostatitis-alters-the-prostatic-microenvironment-and-accelerates-preneoplastic-lesions-in-c57bl-6-mice
#1
Yong Gao, Lijuan Wei, Chenbang Wang, Yuanjie Huang, Weidong Li, Tianyu Li, Chaohua Mo, Huali Qin, Xiaoge Zhong, Yun Wang, Aihua Tan, Zengnan Mo, Yonghua Jiang, Yanling Hu
BACKGROUND: Chronic prostatitis has been supposed to be associated with preneoplastic lesions and cancer development. The objective of this study was to examine how chronic inflammation results in a prostatic microenvironment and gene mutation in C57BL/6 mice. METHODS: Immune and bacterial prostatitis mouse models were created through abdominal subcutaneous injection of rat prostate extract protein immunization (EAP group) or transurethral instillation of uropathogenic E...
May 14, 2019: Biological Research
https://read.qxmd.com/read/31084615/cxcl8-3-72-k11r-g31p-protects-against-sepsis-induced-acute-kidney-injury-via-nf-%C3%AE%C2%BAb-and-jak2-stat3-pathway
#2
Yunfeng Zhou, Wenda Xu, Hong Zhu
BACKGROUND: Acute kidney injury (AKI), which is mainly caused by sepsis, has high morbidity and mortality rates. CXCL8(3-72) K11R/G31P (G31P) can exert therapeutic effect on inflammatory diseases and malignancies. We aimed to investigate the effect and mechanism of G31P on septic AKI. METHODS: An AKI mouse model was established, and kidney injury was assessed by histological analysis. The contents of serum creatinine (SCr) and blood urea nitrogen (BUN) were measured by commercial kits, whereas neutrophil gelatinase-associated lipocalin (NGAL) and kidney injury molecule-1 (KIM-1) were detected by enzyme-linked immunosorbent assay (ELISA) kits...
May 13, 2019: Biological Research
https://read.qxmd.com/read/31084604/effect-of-carbamylated-erythropoietin-on-neuronal-apoptosis-in-fetal-rats-during-intrauterine-hypoxic-ischemic-encephalopathy
#3
Min Diao, Yi Qu, Hui Liu, Yushan Ma, Xuemei Lin
BACKGROUND: Hypoxic-ischemic encephalopathy (HIE) is a common disease that occurs during the perinatal period. The primary cause of neonatal HIE is related to fetal intrauterine anoxia. Carbamylated erythropoietin (CEPO), a derivative of erythropoietin (EPO), does not exert any erythropoietic effect; however, the neuroprotective effects resemble those of EPO. Previous studies have shown the potential benefits of CEPO on the central nervous system. The present study aimed to investigate the role of CEPO in neuronal apoptosis during intrauterine HIE and the underlying mechanisms...
May 13, 2019: Biological Research
https://read.qxmd.com/read/31054579/abnormal-expression-of-tbx4-during-anorectal-development-in-rat-embryos-with-ethylenethiourea-induced-anorectal-malformations
#4
Meng Li, Hailan Zhang, Huiying Liu, Hongzhong Tian, Xiaobing Tang, Yuzuo Bai, Weilin Wang
BACKGROUND: To assess the expression of T-box transcription factor 4 (TBX4) during the anorectal development in normal and ethylenethiourea (ETU)-induced anorectal malformations (ARM) rat embryos. METHODS: Anorectal malformations was induced by ETU on the 10th gestational day (E10) in rat embryos. Spatio-temporal expression of TBX4 was evaluated in normal (n = 490) and ETU-induced ARM rat embryos (n = 455) from E13 to E16 by immunohistochemical staining, Western blot analysis and real-time RT-PCR...
May 4, 2019: Biological Research
https://read.qxmd.com/read/31053167/ros-play-an-important-role-in-atpr-inducing-differentiation-and-inhibiting-proliferation-of-leukemia-cells-by-regulating-the-pten-pi3k-akt-signaling-pathway
#5
Yubin Feng, Xiaoxiao Hua, Ruowen Niu, Yan Du, Congjian Shi, Renpeng Zhou, Fei-Hu Chen
BACKGROUND: Acute myeloid leukemia (AML) is an aggressive and mostly incurable hematological malignancy with frequent relapses after an initial response to standard chemotherapy. Therefore, novel therapies are urgently required to improve AML clinical outcomes. 4-Amino-2-trifluoromethyl-phenyl retinate (ATPR), a novel all-trans retinoic acid (ATRA) derivative designed and synthesized by our team, has been proven to show biological anti-tumor characteristics in our previous studies. However, its potential effect on leukemia remains unknown...
May 3, 2019: Biological Research
https://read.qxmd.com/read/31018872/origination-and-selection-of-abcde-and-agl6-subfamily-mads-box-genes-in-gymnosperms-and-angiosperms
#6
Gangxu Shen, Chih-Hui Yang, Chi-Yen Shen, Keng-Shiang Huang
BACKGROUND: The morphological diversity of flower organs is closely related to functional divergence within the MADS-box gene family. Bryophytes and seedless vascular plants have MADS-box genes but do not have ABCDE or AGAMOUS-LIKE6 (AGL6) genes. ABCDE and AGL6 genes belong to the subgroup of MADS-box genes. Previous works suggest that the B gene was the first ABCDE and AGL6 genes to emerge in plant but there are no mentions about the probable origin time of ACDE and AGL6 genes. Here, we collected ABCDE and AGL6 gene 381 protein sequences and 361 coding sequences from gymnosperms and angiosperms and reconstructed a complete Bayesian phylogeny of these genes...
April 24, 2019: Biological Research
https://read.qxmd.com/read/30995936/peli3-mediates-pro-tumor-actions-of-down-regulated-mir-365a-5p-in-non-small-cell-lung-cancer
#7
Yuzheng He, Yantao Shi, Ruilin Liu, Zhichao Wang, Baohua Wang, Shujun Li, Helin Zhang
BACKGROUND: To analyze the relative expression of PELI3 and its mechanistic involvement in the non-small cell lung cancer (NSCLC). METHODS: PELI3 expression in NSCLC tissue samples was determined by the immunohistochemistry. The transcripts abundance of PELI3 was measured with real-time PCR. The protein intensity was analyzed by western blot. The overall survival in respect to PELI3 or miR-365a-5p expression was plotted by the Kaplan-Meier's analysis. Cell growth was determined by colony formation assay...
April 17, 2019: Biological Research
https://read.qxmd.com/read/30992080/effect-of-cytoglobin-overexpression-on-extracellular-matrix-component-synthesis-in-human-tenon-fibroblasts
#8
Haiying Wei, Lili Lin, Xiaomei Zhang, Zhuolei Feng, Yeqing Wang, Yan You, Xiaodan Wang, Yongsheng Hou
BACKGROUND: Conjunctival filtering bleb scar formation is the main reason for the failure of glaucoma filtration surgery. Cytoglobin (Cygb) has been reported to play an important role in extracellular matrix (ECM) remodeling, fibrosis and tissue damage repairing. This study aimed to investigate the role of Cygb in anti-scarring during excessive conjunctival wound healing after glaucoma filtration surgery. METHODS: Cygb was overexpressed in human tenon fibroblasts (hTFs) by transfecting hTFs with lentiviral particles encoding pLenti6...
April 16, 2019: Biological Research
https://read.qxmd.com/read/30992075/involvement-of-endothelial-ck2-in-the-radiation-induced-perivascular-resistant-niche-pvrn-and-the-induction-of-radioresistance-for-non-small-cell-lung-cancer-nsclc-cells
#9
Qianwen Li, Yan Zong, Ke Li, Xiaohua Jie, Jiaxin Hong, Xiaoshu Zhou, Bian Wu, Zhenyu Li, Sheng Zhang, Gang Wu, Rui Meng
BACKGROUND: Tumor microenvironment (TME) plays a vital role in determining the outcomes of radiotherapy. As an important component of TME, vascular endothelial cells are involved in the perivascular resistance niche (PVRN), which is formed by inflammation or cytokine production induced by ionizing radiation (IR). Protein kinase CK2 is a constitutively active serine/threonine kinase which plays a vital role in cell proliferation and inflammation. In this study, we investigated the potential role of CK2 in PVRN after IR exposure...
April 16, 2019: Biological Research
https://read.qxmd.com/read/30954083/methylation-profile-of-the-adrb3-gene-and-its-association-with-lipid-profile-and-nutritional-status-in-adults
#10
Raquel Patrícia Ataíde Lima, Marina Ramalho Ribeiro, Keylha Querino de Farias Lima, Elisama Araújo de Sena, Diego de Oliveira Costa, Rafaella Cristhine Pordeus Luna, Rayner Anderson Ferreira do Nascimento, Maria da Conceição Rodrigues Gonçalves, Rodrigo Pinheiro de Toledo Vianna, Ronei Marcos de Moraes, Naila Francis Paulo de Oliveira, Aléssio Tony Cavalcanti de Almeida, Maria José de Carvalho Costa
BACKGROUND: Defects in DNA methylation have been shown to be associated with metabolic diseases such as obesity, dyslipidemia, and hypercholesterolemia. To analyze the methylation profile of the ADRB3 gene and correlate it with lipid profile, lipid intake, and oxidative stress based on malondialdehyde (MDA) and total antioxidant capacity (TAC), homocysteine and folic acid levels, nutritional status, lifestyle, and socioeconomic variables in an adult population. A cross-sectional epidemiological study representative of the East and West regions of the municipality of João Pessoa, Paraíba state, Brazil, enrolled 265 adults of both genders...
April 6, 2019: Biological Research
https://read.qxmd.com/read/30954076/molecular-cloning-and-subcellular-localization-of-six-hdacs-and-their-roles-in-response-to-salt-and-drought-stress-in-kenaf-hibiscus-cannabinus-l
#11
Fan Wei, Danfeng Tang, Zengqiang Li, Muhammad Haneef Kashif, Aziz Khan, Hai Lu, Ruixing Jia, Peng Chen
BACKGROUND: Histone acetylation is an important epigenetic modification that regulates gene activity in response to stress. Histone acetylation levels are reversibly regulated by histone acetyltransferases (HATs) and histone deacetylases (HDACs). The imperative roles of HDACs in gene transcription, transcriptional regulation, growth and responses to stressful environment have been widely investigated in Arabidopsis. However, data regarding HDACs in kenaf crop has not been disclosed yet...
April 6, 2019: Biological Research
https://read.qxmd.com/read/30947746/identification-and-characterization-of-circrnas-involved-in-the-regulation-of-wheat-root-length
#12
Yanhua Xu, Yongzhe Ren, Tongbao Lin, Dangqun Cui
BACKGROUND: Recent studies indicate that circular RNAs (circRNAs) may play important roles in the regulation of plant growth and development. Plant roots are the main organs of nutrient and water uptake. However, whether circRNAs involved in the regulation of plant root growth remains to be elucidated. METHODS: LH9, XN979 and YN29 are three Chinese wheat varieties with contrasting root lengths. Here, the root circRNA expression profiles of LH9, XN979 and YN29 were examined by using high-throughput sequencing technology...
April 4, 2019: Biological Research
https://read.qxmd.com/read/30944041/microrna-663-facilitates-the-growth-migration-and-invasion-of-ovarian-cancer-cell-by-inhibiting-tusc2
#13
Hui Hui Xie, Wen Ting Huan, Jiang Qiong Han, Wei Ru Ren, Li Hua Yang
BACKGROUND: MicroRNAs (miRNAs) have emerged as the critical modulators of the tumorigenesis and tumor progression. METHODS: The levels of miR-663 in ovarian cancer cell lines and clinical tissues were detected using qRT-PCR assays. The Transwell invasion and wound healing assay were conducted to assess the roles of miR-663 in the migration and invasion of ovarian cancer cell in vitro. Rescue assays were carried out to confirm the contribution of tumor suppressor candidate 2 (TUSC2) in the aggressiveness of cancer cell which was regulated by miR-663...
April 3, 2019: Biological Research
https://read.qxmd.com/read/30935421/plant-morphology-physiological-characteristics-accumulation-of-secondary-metabolites-and-antioxidant-activities-of-prunella-vulgaris-l-under-uv-solar-exclusion
#14
Yuhang Chen, Xuerong Zhang, Qiaosheng Guo, Liping Cao, Qin Qin, Chen Li, Miao Zhao, Wenming Wang
BACKGROUND: Prunella vulgaris L. has been an important medicinal plant for the treatment of thyroid gland malfunction and mastitis in China for over 2000 years. There is an urgent need to select effective wavelengths for greenhouse cultivation of P. vulgaris as light is a very important factor in P. vulgaris growth. Here, we described the effects of natural light (control) and UV solar exclusion on the morphological and physiological traits, secondary metabolites contents and antioxidant activities of P...
April 1, 2019: Biological Research
https://read.qxmd.com/read/30917872/effects-of-glutamine-deprivation-on-oxidative-stress-and-cell-survival-in-breast-cell-lines
#15
Mokgadi Violet Gwangwa, Anna Margaretha Joubert, Michelle Helen Visagie
BACKGROUND: Tumourigenic cells modify metabolic pathways in order to facilitate increased proliferation and cell survival resulting in glucose- and glutamine addiction. Previous research indicated that glutamine deprivation resulted in potential differential activity targeting tumourigenic cells more prominently. This is ascribed to tumourigenic cells utilising increased glutamine quantities for enhanced glycolysis- and glutaminolysis. In this study, the effects exerted by glutamine deprivation on reactive oxygen species (ROS) production, mitochondrial membrane potential, cell proliferation and cell death in breast tumourigenic cell lines (MCF-7, MDA-MB-231, BT-20) and a non-tumourigenic breast cell line (MCF-10A) were investigated...
March 27, 2019: Biological Research
https://read.qxmd.com/read/30917866/in-vitro-transplantation-of-spermatogonial-stem-cells-isolated-from-human-frozen-thawed-testis-tissue-can-induce-spermatogenesis-under-3-dimensional-tissue-culture-conditions
#16
Mahdi Mohaqiq, Mansoureh Movahedin, Zohreh Mazaheri, Naser Amirjannati
BACKGROUND: Sperm production is one of the most complex biological processes in the body. In vitro production of sperm is one of the most important goals of researches in the field of male infertility treatment, which is very important in male cancer patients treated with gonadotoxic methods and drugs. In this study, we examine the progression of spermatogenesis after transplantation of spermatogonial stem cells under conditions of testicular tissue culture. RESULTS: Testicular tissue samples from azoospermic patients were obtained and then these were freeze-thawed...
March 27, 2019: Biological Research
https://read.qxmd.com/read/30894225/knock-down-the-expression-of-tah2b-7d-using-virus-induced-gene-silencing-reduces-wheat-drought-tolerance
#17
Xinbo Wang, Yongzhe Ren, Jingjing Li, Zhiqiang Wang, Zeyu Xin, Tongbao Lin
BACKGROUND: Drought is a major abiotic stress affecting global wheat (Triticum aestivum L.) production. Exploration of drought-tolerant genes is essential for the genetic improvement of drought tolerance in wheat. Previous studies have shown that some histone encoding genes are involved in plant drought tolerance. However, whether the H2B family genes are involved in drought stress response remains unclear. METHODS: Here, we identified a wheat histone H2B family gene, TaH2B-7D, which was significantly up-regulated under drought stress conditions...
March 21, 2019: Biological Research
https://read.qxmd.com/read/30894224/functional-and-transcriptomic-characterization-of-carboplatin-resistant-a2780-ovarian-cancer-cell-line
#18
Tamara Viscarra, Kurt Buchegger, Ignacio Jofre, Ismael Riquelme, Louise Zanella, Michel Abanto, Alyssa C Parker, Stephen R Piccolo, Juan Carlos Roa, Carmen Ili, Priscilla Brebi
BACKGROUND: Ovarian cancer is a significant cancer-related cause of death in women worldwide. The most used chemotherapeutic regimen is based on carboplatin (CBDCA). However, CBDCA resistance is the main obstacle to a better prognosis. An in vitro drug-resistant cell model would help in the understanding of molecular mechanisms underlying this drug-resistance phenomenon. The aim of this study was to characterize cellular and molecular changes of induced CBDCA-resistant ovarian cancer cell line A2780...
March 21, 2019: Biological Research
https://read.qxmd.com/read/30876462/cocl-2-simulated-hypoxia-induce-cell-proliferation-and-alter-the-expression-pattern-of-hypoxia-associated-genes-involved-in-angiogenesis-and-apoptosis
#19
Nishant Kumar Rana, Priya Singh, Biplob Koch
BACKGROUND/AIMS: Hypoxia microenvironment plays a crucial role during tumor progression and it tends to exhibit poor prognosis and make resistant to various conventional therapies. HIF-1α acts as an important transcriptional regulator directly or indirectly associated with genes involved in cell proliferation, angiogenesis, apoptosis and energy metabolism during tumor progression in hypoxic microenvironment. This study was aimed to investigate the expression pattern of the hypoxia associated genes and their association during breast cancer progression under hypoxic microenvironment in breast cancer cells...
March 15, 2019: Biological Research
https://read.qxmd.com/read/30876449/irf2-inpp4b-mediated-autophagy-suppresses-apoptosis-in-acute-myeloid-leukemia-cells
#20
Feng Zhang, Jiajia Li, Junfeng Zhu, Lin Liu, Kai Zhu, Shuang Cheng, RuDi Lv, Pingping Zhang
BACKGROUND: The present study aimed to investigate the underlying role of interferon-regulatory factor 2 (IRF2)-inositol polyphosphate-4-phosphatase, type-II (INPP4B) axis in the regulation of autophagy in acute myeloid leukemia (AML) cells. METHODS: Quantitative real time PCR (QRT-PCR) and western blot were performed to determine the expression levels of IRF2, INPP4B and autophagy-related markers in AML cell lines. Autophagy was assessed by elevated Beclin-1 expression, the conversion of light chain 3 (LC3)-I to LC3-II, downregulated p62 expression and green fluorescent protein (GFP)-LC3 puncta formation...
March 15, 2019: Biological Research
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