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https://www.readbyqxmd.com/read/29907324/nonlinear-effects-of-caffeine-on-the-viability-synthesis-and-gene-expression-of-chondrocytes-from-the-offspring-of-rats-treated-during-pregnancy
#1
Amanda Maria Sena Reis, Karina Pessoa Oliveira, Isabela Helena Fagundes de Paula, Alisson Paulo da Silva, Júlia Fahrion Tarragô, Natália de Melo Ocarino, Rogéria Serakides
OBJECTIVE: Evaluate the effects of doses of caffeine administered to pregnant rats on the articular cartilage chondrocytes of their offspring. METHODS: Twenty-four adult Wistar rats were randomly assigned to four groups, with one control group and three groups being treated with caffeine at doses of 25, 50 and 100 mg/kg throughout pregnancy. At birth, three offspring/females were euthanized so that the chondrocytes could be extracted. At 7, 14 and 21 days of culture, the chondrocytes were subjected to the MTT cell viability assay and an evaluation of their alkaline phosphatase activity and collagen synthesis...
June 12, 2018: Acta Histochemica
https://www.readbyqxmd.com/read/29896925/expression-and-correlation-of-malat1-and-sox9-in-non-small-cell-lung-cancer
#2
Wei Chen, Wei Zhao, Sheng Chen, Li Zhang, Zhongying Guo, Lixin Wang, Jipeng Wang, Zongren Wan, Yongqing Hong, Liang Yu
INTRODUCTION: Non-small cell lung cancer (NSCLC) is the most common cause of cancer-related deaths in the world. MALAT1 and SOX9 have important roles in tumour formation and development in several types of cancers. However, little is known about the function and co-relationship of these 2 factors in NSCLC in vivo. OBJECTIVES: To explore the role of MALAT1 and SOX9 expression relationship, their clinical pathological characteristics and OS on NSCLC patients. METHODS: Paired of primary lung cancer tissues and the matched tumour adjacent tissues were collected in 121 NSCLC patients...
April 17, 2018: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29866902/sox30-initiates-transcription-of-haploid-genes-during-late-meiosis-and-spermiogenesis-in-mouse-testes
#3
Shun Bai, Kaiqiang Fu, Huiqi Yin, Yiqiang Cui, Qiuling Yue, Wenbo Li, Le Cheng, Huanhuan Tan, Xiaofei Liu, Yueshuai Guo, Yingwen Zhang, Jie Xie, Wenxiu He, Yuanyuan Wang, Hua Feng, Changpeng Xin, Jinwen Zhang, Mingyan Lin, Bin Shen, Zheng Sun, Xuejiang Guo, Ke Zheng, Lan Ye
Transcription factors of the Sox protein family contain a DNA-binding HMG box and are key regulators of progenitor cell fate. Here, we report that expression of Sox30 is restricted to meiotic spermatocytes and postmeiotic haploids. Sox30 mutant males are sterile due to spermiogenic arrest at the early round spermatid stage. Specifically, in the absence of Sox30, proacrosomic vesicles fail to form a single acrosomal organelle, and spermatids arrest at step 2-3. Although most Sox30 mutant spermatocytes progress through meiosis, accumulation of diplotene spermatocytes indicates a delayed or impaired transition from meiotic to postmeiotic stages...
June 4, 2018: Development
https://www.readbyqxmd.com/read/29865197/biocompatible-gold-nanoparticles-ameliorate-retinoic-acid-induced-cell-death-and-induce-differentiation-in-f9-teratocarcinoma-stem-cells
#4
Sangiliyandi Gurunathan, Jin-Hoi Kim
The unique properties of gold nanoparticles (AuNPs) have attracted much interest for a range of applications, including biomedical applications in the cosmetic industry. The current study assessed the anti-oxidative effect of AuNPs against retinoic acid (RA)-induced loss of cell viability; cell proliferation; expression of oxidative and anti-oxidative stress markers, pro- and anti-apoptotic genes, and differentiation markers; and mitochondrial dysfunction in F9 teratocarcinoma stem cells. AuNPs were prepared by reduction of gold salts using luteolin as a reducing and stabilizing agent...
June 1, 2018: Nanomaterials
https://www.readbyqxmd.com/read/29846560/tocopherols-inhibit-estrogen-induced-cancer-stemness-and-oct4-signaling-in-breast-cancer
#5
Min Ji Bak, Philip Furmanski, Naing Lin Shan, Hong Jin Lee, Cheng Bao, Yong Lin, Weichung Joe Shih, Chung S Yang, Nanjoo Suh
Estrogen plays an important role in breast cancer development. While the mechanism of the estrogen effects is not fully elucidated, one possible route is by increasing the stem cell-like properties in the tumors. Tocopherols are known to reduce breast cancer development and progression. The aim of the present study is to investigate the effects of tocopherols on the regulation of breast cancer stemness mediated by estrogen. To determine the effects of tocopherols on estrogen-influenced breast cancer stem cells, the MCF-7 tumorsphere culture system, which enriches for mammary progenitor cells and putative breast cancer stem cells, was utilized...
May 26, 2018: Carcinogenesis
https://www.readbyqxmd.com/read/29845279/salvianolic-acid-b-reverses-multidrug-resistance-in-nude-mice-bearing-human-colon-cancer-stem-cells
#6
Piaoting Guo, Jianchao Wang, Wencang Gao, Xia Liu, Shaofei Wu, Boshun Wan, Lei Xu, Yanhua Li
Salvianolic acid B (SalB) is a water‑soluble phenolic compound, extractable from Salvia miltiorrhiza, and has previously been demonstrated to reverse tumor multidrug resistance (MDR) in colon cancer cells. Cancer stem cells (CSCs) are closely associated with drug resistance. Therefore, establishing a nude mouse model bearing human colon CSCs is important for the study of the mechanisms underlying colon cancer drug resistance as well as the reversal of drug resistance. The present study aimed to establish a nude mouse model bearing human colon CSCs and to investigate the effects of SalB on the drug resistance exhibited by the nude mouse model as well as determine its underlying mechanism...
May 29, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29743043/phase-ii-study-of-adjuvant-chemotherapy-with-s1-plus-oxaliplatin-for-chinese-patients-with-gastric-cancer
#7
Guoxiu Wang, Jiuda Zhao, Yan Song, Wen Zhang, Yongkun Sun, Aiping Zhou, Jing Huang, Feng Du, Lin Yang
BACKGROUND: S-1 plus oxaliplatin(SOX) has been demonstrated to be effective and well tolerated for patients with metastatic gastric cancer. We conducted this phase II study to evaluate the feasibility of SOX as adjuvant chemotherapy for gastric cancer after curative resection. METHODS: Adjuvant chemotherapy consisted of six to eight cycles of S-1 plus oxaliplatin. Oxaliplatin was administered intravenously at a dose of 130 mg/m2 on day 1. S-1 was administered orally at a dose of 70 mg/m2 daily from day 1 to 14 of a 3-week cycle...
May 9, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29717132/potential-role-of-cbx7-in-regulating-pluripotency-of-adult-human-pluripotent-like-olfactory-stem-cells-in-stroke-model
#8
Jia-Rong Fan, Hsu-Tung Lee, Wei Lee, Chen-Huan Lin, Chun Y Hsu, Chia-Hung Hsieh, Woei-Cherng Shyu
The adult olfactory mucosa, a highly regenerative tissue with unique life-long neurogenesis ability, is thought to harbor a naïve yet tightly controlled stem cell population. It will provide unique benefits in various stem cell-based therapies, such as stroke treatment. Here, we identified a subpopulation of adult pluripotent-like olfactory stem cells (APOSCs), which were modulated by an epigenetic repressor of CBX7. APOSCs form a floating sphere, express pluripotency markers Nanog, Oct-4, Sox-2, and SSEA-4 and show alkaline phosphatase activity...
May 2, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29706869/fibronectin-promotes-the-malignancy-of-glioma-stem-like-cells-via-modulation-of-cell-adhesion-differentiation-proliferation-and-chemoresistance
#9
Qi Yu, Yixue Xue, Jing Liu, Zhuo Xi, Zhen Li, Yunhui Liu
Glioma stem-like cells (GSCs) are regarded as the sources of oncogenesis, recurrence, invasion and chemoresistance in malignant gliomas. Growing evidence suggests that the microenvironment surrounding GSCs interacts with tumor cells to influence biological behavior; however, the functional mechanisms involved are still unclear. In the present study, we investigated the modulation of GSCs triggered by fibronectin (FN), a main component of the extracellular matrix (ECM), in terms of cell adhesion, differentiation, proliferation and chemoresistance...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29697746/effects-of-baicalein-on-pancreatic-cancer-stem-cells-via-modulation-of-sonic-hedgehog-pathway
#10
Libin Song, Xiangyuan Chen, Peng Wang, Song Gao, Chao Qu, Luming Liu
Recent studies have suggested that sonic Hedgehog (Shh) signaling pathway is aberrantly activated in cancer stem cells (CSCs). A seven-herb Chinese medicinal formula composed of Amorphophallus rivieri Durieu, Oldenlandia diffusa (Wild) Roxb, Scutellaria barbata D. Don, Gynostemma pentaphyllum (Thunb.) Mak and Amomum cardamomum L, i.e. Qingyihuaji (QYHJ) formula, has been shown to inhibit proliferation of pancreatic CSCs by inhibiting Shh signaling pathway and thereby prolong the overall survival of pancreatic cancer patients...
June 1, 2018: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/29693161/study-on-the-association-between-drug%C3%A2-resistance-and-gene-mutations-of-the-active-efflux-pump-acrab%C3%A2-tolc-gene-and-its-regulatory-genes
#11
Quan-Ping Ma, Liang Su, Jing-Wen Liu, Ming-Xiao Yao, Guang-Ying Yuan
The aim of the present study was to investigate the correlation between the multi‑drug resistance of Shigella flexneri and the drug‑resistant gene cassette carried by integrons; in the meanwhile, to detect the associations between drug‑resistance and gene mutations of the active efflux pump acrAB‑tolC gene and its regulatory genes, including marOR, acrR and soxS. A total of 158 isolates were isolated from the stool samples of 1,026 children with diarrhoea aged 14 years old between May 2012 and October 2015 in Henan...
June 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29681813/hyperprogressive-disease-in-the-irradiation-field-after-a-single-dose-of-nivolumab-for-gastric-cancer-a-case-report
#12
Takatsugu Ogata, Hironaga Satake, Misato Ogata, Yukimasa Hatachi, Hisateru Yasui
Following the ATTRACTION-2 study, nivolumab was approved for advanced gastric cancer in Japan. However, pseudoprogression and hyperprogressive disease have been reported in patients treated with immune checkpoint inhibitors. We report a patient with gastric cancer who received nivolumab after radiotherapy only to experience rapid progression within the irradiation field after the first immunotherapy session. A 66-year-old man with dysphagia visited our hospital and was diagnosed with stage IV gastroesophageal cancer (human epidermal growth factor receptor-2 score = 0)...
January 2018: Case Reports in Oncology
https://www.readbyqxmd.com/read/29669166/homologs-from-sulfur-oxidation-sox-and-methanol-dehydrogenation-xox-enzyme-systems-collaborate-to-give-rise-to-a-novel-pathway-of-chemolithotrophic-tetrathionate-oxidation
#13
Prosenjit Pyne, Masrure Alam, Moidu Jameela Rameez, Subhrangshu Mandal, Abhijit Sar, Nibendu Mondal, Utsab Debnath, Boby Mathew, Anup Kumar Misra, Amit Kumar Mandal, Wriddhiman Ghosh
The SoxXAYZB(CD)2 -mediated pathway of bacterial sulfur-chemolithotrophy explains the oxidation of thiosulfate, sulfide, sulfur and sulfite but not tetrathionate. Advenella kashmirensis, which oxidizes tetrathionate to sulfate, besides forming it as an intermediate during thiosulfate oxidation, possesses a soxCDYZAXOB operon. Knock-out mutations proved that only SoxBCD is involved in A. kashmirensis tetrathionate oxidation, whereas thiosulfate-to-tetrathionate conversion is Sox independent. Expression of two glutathione metabolism-related proteins increased under chemolithotrophic conditions, as compared to the chemoorganotrophic one...
April 18, 2018: Molecular Microbiology
https://www.readbyqxmd.com/read/29668579/gallbladder-cancer-with-tumor-thrombus-in-the-portal-vein-a-case-report
#14
Xiao-Zhen Zhang, Jian-Jun Tu, Wei Chen, Tao Ma, Xue-Li Bai, Ting-Bo Liang
RATIONALE: Gallbladder cancer (GBC) is a highly fatal malignancy. Due to its invasiveness and delayed diagnosis, many GBC patients are diagnosed with synchronous liver and hepatoduodenal ligament involvement. In our case, we report a gallbladder cancer with portal vein thrombus. PATIENT CONCERNS: A 60-year-old woman presented with persistent upper abdominal dull pain for 2 months. DIAGNOSES: Ultrasound examination showed gallbladder carcinoma invading liver segment IV, and a tumor thrombus in the left and right main portal trunk...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29650855/-a-case-of-double-cancer-of-intrahepatic-cholangiocarcinoma-and-gastric-carcinoma-with-difficult-diagnosis-of-the-primary-tumor-with-peritoneal-metastasis
#15
Hiroyuki Kanomata, Yasuji Seyama, Hiroki Kudo, Toru Tanizawa, Masahiro Warabi, Masamichi Takahashi, Yujiro Matsuoka, Ikuo Wada, Masayuki Takegami, Yukio Miyamoto, Nobutaka Umekita
Double cancer of intrahepatic cholangiocarcinoma and gastric cancer is rare. A 62-year-old man underwent gastrectomy for gastric cancer. The pathological findings were tub1>tub2, m, ly0, v0, n0, Stage I A. Two years and a month later, a liver tumor(diameter of 3 cm)and a pelvic mass(diameter of 2.5 cm)were observed. Metastasis from gastric cancer was suspected and chemotherapy(SOX)was administered. However, after 5 courses, CT revealed worseningof the liver tumor (diameter of 12 cm)and pelvic mass(diameter of 3 cm)...
April 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29650845/-a-case-report-of-sox-treatment-for-primary-duodenal-carcinoma-with-liver-metastasis
#16
Yuki Yokota, Hirotsugu Nagase, Kozo Noguchi, Atsushi Hamabe, Masashi Hirota, Kazuteru Oshima, Tsukasa Tanida, Yoshito Tomimaru, Tomono Kawase, Shunji Morita, Hiroshi Imamura, Takashi Iwazawa, Kenzo Akagi, Keizo Dono
We report a case of effective S-1 plus oxaliplatin (SOX) treatment for duodenal cancer with liver metastases. The patient was a 70-year-old female diagnosed with duodenal carcinoma that was unresectable because of liver metastasis(cT4N1M1, cStage IV in UICC 7th). She received SOX treatment(100mg/m / 2 of oxaliplatin on day 1 combined with 40 mg/day of S-1 twice daily on days 1-14, was repeated every 3 weeks). After 4 courses, a partial response was confirmed by computed tomography and no severe adverse events were observed...
April 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29622083/role-of-drug-transporters-and-heat-shock-proteins-during-ethanol-exposure-to-human-neural-precursor-cells-and-its-lineages
#17
Sandeep Kumar Vishwakarma, Nusrath Fatima, Chandrakala Lakkireddy, Nagarapu Raju, Avinash Bardia, A Sandhya, Syed Ameer Basha Paspala, Vishnupriya Satti, Aleem Ahmed Khan
INTRODUCTION: Ethanol exposure to developing brain may alter the growth and differentiation of neurological cells resulting in unfavorable pathologies. Earlier studies have provided very limited mechanistic insights of cellular and molecular mechanisms which do not mimic with human situation due to varying cell types and poses potential challenges for investigation. Therefore, the present study was undertaken to evaluate the role of ABC transporters and heat shock proteins mediated response in human neural precursor cells (NPCs) and its lineages during proliferation and lineage differentiation against ethanol exposure...
April 2018: Tissue & Cell
https://www.readbyqxmd.com/read/29604386/applications-of-inflammation-derived-gingival-stem-cells-for-testing-the-biocompatibility-of-dental-restorative-biomaterials
#18
A Soancă, M Lupse, M Moldovan, E Pall, M Cenariu, A Roman, O Tudoran, P Surlin, O Șorițău
BACKGROUND: Normal or inflamed gingival tissues are regarded as a source of mesenchymal stem cells (MSCs) abundant and easily accessible through minimally invasive dental procedures. Due to the proximity of dental resin composites to gingival tissues and to the possible local cytotoxic effect of the eluted components, gingiva-derived MSCs could be used to investigate the biocompatibility of dental biomaterials. PURPOSE: The present research aimed to isolate (MSCs) from inflamed and normal gingiva, to fully characterize them and to observe their behavior in relation with some commercial resin composite materials and one experimental material...
March 28, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29593724/mirnome-expression-analysis-reveals-new-players-on-leprosy-immune-physiopathology
#19
Claudio Guedes Salgado, Pablo Pinto, Raquel Carvalho Bouth, Angélica Rita Gobbo, Ana Caroline Cunha Messias, Tatiana Vinasco Sandoval, André Mauricio Ribeiro Dos Santos, Fabiano Cordeiro Moreira, Amanda Ferreira Vidal, Luiz Ricardo Goulart, Josafá Gonçalves Barreto, Moisés Batista da Silva, Marco Andrey Cipriani Frade, John Stewart Spencer, Sidney Santos, Ândrea Ribeiro-Dos-Santos
Leprosy remains as a public health problem and its physiopathology is still not fully understood. MicroRNAs (miRNA) are small RNA non-coding that can interfere with mRNA to regulate gene expression. A few studies using DNA chip microarrays have explored the expression of miRNA in leprosy patients using a predetermined set of genes as targets, providing interesting findings regarding the regulation of immune genes. However, using a predetermined set of genes restricted the possibility of finding new miRNAs that might be involved in different mechanisms of disease...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29577332/human-placental-ppar-%C3%AE-and-sox-2-expression-in-serologically-proved-toxoplasmosis
#20
M Hasby Saad, N El-Anwar, S Lotfy, M Fouda, E Hasby
To explore PPAR-γ and SOX-2 transcription factors expression in placenta according to maternal anti-Toxoplasma gondii serological profile during pregnancy and pregnancy outcome. The study included 240 placentas, grouped according to IgM and IgG serostatus and then subgrouped according to pregnancy outcome that varied between miscarriages, premature labour, stillbirth and giving birth to CNS anomaly or apparently healthy neonates. Samples were H&E stained and histopathologically scored blindly. PPAR-γ expression was measured by ELISA, while SOX-2-positive nuclei were stained immunohistochemically to be calculated by ImageJ...
March 26, 2018: Parasite Immunology
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