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https://www.readbyqxmd.com/read/28454484/effect-of-topical-application-of-hard-water-in-weakening-of-hair-in-men
#1
Waqas Muhammad
BACKGROUND: Hard water is thought to play a key role in weakening of hair (not Hair Loss) and breakage especially when travelling is involved. In our community, commonly men do the travelling and complain more about hair problem which is why only young male individuals were included in this study. MATERIALS AND METHODS: Water samples from different districts of KPK, Pakistan, were collected and their hardness values were estimated to find the water sample of maximum and minimum water hardness in order to know the maximum hardness hair would encounter in KPK, Pakistan...
September 30, 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28454482/effects-of-environmental-factors-and-metallic-electrodes-on-ac-electrical-conduction-through-dna-molecule
#2
S Abdalla, A Obaid, F M Al-Marzouki
BACKGROUND: Deoxyribonucleic acid (DNA) is one of the best candidate materials for various device applications such as in electrodes for rechargeable batteries, biosensors, molecular electronics, medical- and biomedical-applications etc. Hence, it is worthwhile to examine the mechanism of charge transport in the DNA molecule, however, still a question without a clear answer is DNA a molecular conducting material (wire), semiconductor, or insulator? The answer, after the published data, is still ambiguous without any confirmed and clear scientific answer...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28454402/mir-215-suppresses-proliferation-and-migration-of-non-small-cell-lung-cancer-cells
#3
Xiaopan Cai, Dongyu Peng, Haifeng Wei, Xinghai Yang, Quan Huang, Zaijun Lin, Wei Xu, Ming Qian, Cheng Yang, Tielong Liu, Wangjun Yan, Jian Zhao
The expression of microRNA-215 (miR-215) in non-small cell lung cancer (NSCLC) tissues and the effects of miR-215 on the proliferation and migration of NSCLC cells were investigated. qRT-PCR was used to detect the expression of miR-215 in NSCLC tissues and paired normal tumor-adjacent lung tissues; MTT assay, transwell assay and soft-agar assay were used in vitro to evaluate the role of miR-215 on proliferation, migration and cell clonality on NSCLC cells, after transfecting miR-215 mimics to NSCLC cell line A549 or miR-215 to H1299...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454292/dna-vaccine-encoding-human-papillomavirus-antigens-flanked-by-a-signal-peptide-and-a-kdel-sequence-induces-a-potent-therapeutic-antitumor-effect
#4
Jose J Perez-Trujillo, Rodolfo Garza-Morales, Jose A Barron-Cantu, Gabriel Figueroa-Parra, Aracely Garcia-Garcia, Humberto Rodriguez-Rocha, Jaime Garcia-Juarez, Gerardo E Muñoz-Maldonado, Odila Saucedo-Cardenas, Roberto Montes-De-Oca-Luna, Maria De Jesus Loera-Arias
Cellular immune responses play a critical role in the eradication of intracellular infections and malignant cells through the recognition and subsequent removal of the infection or malignant cells. Effective antigen presentation is crucial for stimulating the immune system against malignant cells. Calreticulin (CRT) has been used to improve antigen presentation. However, CRT overexpression has been previously associated with the development of pancreatic and breast cancer. The import and retention signals of CRT in the endoplasmic reticulum (ER) can be used to overcome CRT overexpression...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454281/current-status-of-the-prognostic-molecular-biomarkers-in-breast-cancer-a-systematic-review
#5
Goro Kutomi, Toru Mizuguchi, Fukino Satomi, Hideki Maeda, Hiroaki Shima, Yasutoshi Kimura, Koichi Hirata
Biomarkers that facilitate the prediction of breast cancer prognosis can improve the quality of life in patients during the long period of illness and treatment. Particularly in recent years, with the advent of a more exhaustive analysis of genetic information and gene products, the molecular mechanisms at play during breast cancer have gradually become clearer. In the present study, a systematic review of the literature between 2009 and 2014 was conducted by searching for the keywords 'breast cancer', 'biomarkers', 'diagnosis', 'prognosis' and 'drug response' to clarify the present state of knowledge regarding biomarkers...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454201/-identical-variants-different-disease-course-genetics-of-chronic%C3%A2-pancreatitis
#6
Sebastian Beer, Joachim Mössner
Multiple genetic associations with chronic pancreatitis have been identified. In cases with hereditary pancreatitis family history is reported and mostly distinct causative variants in cationic trypsinogen (PRSS1) are identified. Furthermore, variants in other genes of proteases and anti-proteases of the digestive enzyme cascade (SPINK1, CTRC, CPA1), are also associated with chronic pancreatitis. Interestingly, penetrance of associated variants as well as the disease course are variable. As such environmental factors like smoking may play an important role...
May 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28454117/elimination-of-lmp1-expressing-cells-from-a-monolayer-of-gastric-cancer-ags-cells
#7
Yoshitaka Sato, Shingo Ochiai, Takayuki Murata, Teru Kanda, Fumi Goshima, Hiroshi Kimura
Epstein-Barr virus (EBV) latently infects malignant epithelial cells in approximately 10% of all gastric cancers. Latent membrane protein 1 (LMP1), an oncogenic protein, plays an important role in malignant transformation in EBV-associated nasopharyngeal carcinoma and B-cell lymphoma; however, its expression has not been detected in EBV-associated gastric cancer. To address why LMP1 has not been detected in EBV-positive gastric tumors, we focused on the interactions between LMP1-positive and -negative cells and stably expressed LMP1 in the gastric cancer cell line AGS...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454108/telomere-erosion-in-nf1-tumorigenesis
#8
Rhiannon E Jones, Julia W Grimstead, Ashni Sedani, Duncan Baird, Meena Upadhyaya
Neurofibromatosis type 1 (NF1; MIM# 162200) is a familial cancer syndrome that affects 1 in 3,500 individuals worldwide and is inherited in an autosomal dominant fashion. Malignant Peripheral Nerve Sheath Tumors (MPNSTs) represent a significant cause of morbidity and mortality in NF1 and currently there is no treatment or definite prognostic biomarkers for these tumors. Telomere shortening has been documented in numerous tumor types. Short dysfunctional telomeres are capable of fusion and it is considered that the ensuing genomic instability may facilitate clonal evolution and the progression to malignancy...
April 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454101/mir-146a-negatively-regulates-dectin-1-induced-inflammatory-responses
#9
Leilei Du, Xu Chen, Zhimin Duan, Caixia Liu, Rong Zeng, Qing Chen, Min Li
Dectin-1 is the critical sensor for β-glucan from Candida which is the most common human fungal pathogen and cause superficial and system infection. MicroRNAs (miRNAs) play crucial roles in regulating innate immunity. However, the functional role of miRNAs in inflammatory response dependent on the activation of dectin-1 pathway has not been defined. In the present study, we found insoluble β-glucan from the cell wall of Candida albicans (CaIG) was able to increase the production of of IL-6 and TNFα through Dectin-1-Syk-NF-κB and p38MAPK pathway...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454099/homoharringtonine-targets-smad3-and-tgf-%C3%AE-pathway-to-inhibit-the-proliferation-of-acute-myeloid-leukemia-cells
#10
Jian Chen, Qitian Mu, Xia Li, Xiufeng Yin, Mengxia Yu, Jing Jin, Chenying Li, Yile Zhou, Jiani Zhou, Shanshan Suo, Demin Lu, Jie Jin
Homoharringtonine (HHT) has long and widely been used in China for the treatment of acute myeloid leukemia (AML), the clinical therapeutic effect is significant but the working mechanism is poorly understood. The purpose of this study is to screen the possible target for HHT with virtual screening and verify the findings by cell experiments. Software including Autodock, Python, and MGL tools were used, with HHT being the ligand and proteins from PI3K-Akt pathway, Jak-stat pathway, TGF-β pathway and NK-κB pathway as the receptors...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454092/hoxb7-promotes-tumor-progression-via-bfgf-induced-activation-of-mapk-erk-pathway-and-indicated-poor-prognosis-in-hepatocellular-carcinoma
#11
Wei-Min Wang, Yang Xu, Yao-Hui Wang, Hai-Xiang Sun, Yun-Fan Sun, Yi-Feng He, Qing-Feng Zhu, Bo Hu, Xin Zhang, Jing-Lin Xia, Shuang-Jian Qiu, Jian Zhou, Xin-Rong Yang, Jia Fan
The homeobox-containing gene HOXB7 plays an important role in the pathogenesis and progression of many cancers, yet its role in hepatocellular carcinoma (HCC) remains unclear. This study comprehensively analyzed the expression and clinical significance of HOXB7 in HCC and explored its potential mechanism in tumor progression. We found HOXB7 was highly expressed in HCC cell lines with highly metastatic potential and cancerous tissues from patients with tumor recurrence. The abilities of proliferation, migration, and invasion were notably decreased by depletion of HOXB7, and were enhanced by its enforced expression in vitro...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454087/evaluation-of-autoantibody-signatures-in-meningioma-patients-using-human-proteome-arrays
#12
Shabarni Gupta, Shuvolina Mukherjee, Parvez Syed, Narendra Goud Pandala, Saket Choudhary, Vedita Anand Singh, Namrata Singh, Heng Zhu, Sridhar Epari, Santosh B Noronha, Aliasgar Moiyadi, Sanjeeva Srivastava
Meningiomas are one of the most common tumors of the Central nervous system (CNS). This study aims to identify the autoantibody biomarkers in meningiomas using high-density human proteome arrays (~17,000 full-length recombinant human proteins). Screening of sera from 15 unaffected healthy individuals, 10 individuals with meningioma grade I and 5 with meningioma grade II was performed. This comprehensive proteomics based investigation revealed the dysregulation of 489 and 104 proteins in grades I and II of meningioma, respectively, along with the enrichment of several signalling pathways, which might play a crucial role in the manifestation of the disease...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454049/response-surface-method-optimization-of-a-novel-hypericin-formulation-in-p123-micelles-for-colorectal-cancer-and-antimicrobial-photodynamic-therapy
#13
Maiara Camotti Montanha, Larissa Lachi Silva, Fernanda Belincanta Borghi Pangoni, Gabriel Batista Cesar, Renato Sonchini Gonçalves, Wilker Caetano, Noboru Hioka, Tania Toyomi Tominaga, Márcia Edilaine Lopes Consolaro, Andréa Diniz, Elza Kimura
The photodynamic properties of Hypericin (Hyp) may be used as an alternative treatment for malignancies of the lower gastrointestinal tract and for the prevention of surgical-site infection; however, its use in photodynamic therapy has been limited because of its poor hydrosolubility. Therefore, in order to improve its water solubility and its photodynamic effect, Hyp was encapsulated in Pluronic P123 (P123) and the photodynamic effects against intestinal and epidermal bacteria and against two lineages of intestinal colon carcinoma cells were investigated...
April 12, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28454007/groundwater-remediation-from-the-past-to-the-future-a-bibliometric-analysis
#14
Shu Zhang, Guozhu Mao, John Crittenden, Xi Liu, Huibin Du
Groundwater is an important component of terrestrial ecosystems and plays a role in geochemical cycling. Groundwater is also used for agricultural irrigation and for the domestic supply of drinking water in most nations. However, groundwater contamination has led to many research efforts on groundwater remediation technologies and strategies. This study evaluated a total of 5486 groundwater remediation-related publications from 1995 to 2015 using bibliometric technology and social network analysis, to provide a quantitative analysis and a global view on the current research trend and future research directions...
January 19, 2017: Water Research
https://www.readbyqxmd.com/read/28453998/sleep-slow-oscillation-and-plasticity
#15
REVIEW
Igor Timofeev, Sylvain Chauvette
It is well documented that sleep contributes to memory consolidation and it is also accepted that long-term synaptic plasticity plays a critical role in memory formation. The mechanisms of this sleep-dependent memory formation are unclear. Two main hypotheses are proposed. According to the first one, synapses are potentiated during wake; and during sleep they are scaled back to become available for the learning tasks in the next day. The other hypothesis is that sleep slow oscillations potentiate synapses that were depressed due to persistent activities during the previous day and that potentiation provides physiological basis for memory consolidation...
April 25, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/28453992/salinomycin-overcomes-radioresistance-in-nasopharyngeal-carcinoma-cells-by-inhibiting-nrf2-level-and-promoting-ros-generation
#16
Gong Zhang, Wenjun Wang, Chunxiao Yao, Jinjin Ren, Shuping Zhang, Muyuan Han
Radiotherapy is the most important treatment for nasopharyngeal carcinoma (NPC). Radioresistant cancer cells have been shown to potentially result in residual disease that can lead to recurrence and metastasis. Salinomycin (SAL) has been identified as a promising anticancer drug during chemical screening, but it is unclear whether SAL plays a role in radioresistance. The nuclear factor erythroid-2-related factor 2 (Nrf2) is a crucial regulator of the cellular antioxidant system. There are currently numerous data indicating that Nrf2 has an important role in cancer radioresistance...
April 25, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28453981/facile-synthesis-of-flower-like-ag3vo4-bi2wo6-heterojunction-with-enhanced-visible-light-photocatalytic-activity
#17
Shijie Li, Shiwei Hu, Wei Jiang, Yu Liu, Jianshe Liu, Zhaohui Wang
Constructing novel semiconductor heterojunctions is one of the most significant approaches to improving the photocatalytic performance of a photocatalyst. Herein, the Ag3VO4/Bi2WO6 heterojunction was prepared through in-situ anchoring Ag3VO4 nanoparticles (size: ∼21nm) on the surface of Bi2WO6 microflowers (diameter: 2.5-4.5μm) by a facile deposition route. The photocatalytic activity of these heterojunctions were studied by decomposing cationic dye rhodamine B (RhB), anionic dye methyl orange (MO) and neutral para-chlorophenol (4-CP) under visible light irradiation (λ>400nm)...
April 20, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28453973/determinants-of-children-s-exposure-to-pyrethroid-insecticides-in-western-france
#18
Philippe Glorennec, Tania Serrano, Morgane Fravallo, Charline Warembourg, Christine Monfort, Sylvaine Cordier, Jean-François Viel, Florent Le Gléau, Barbara Le Bot, Cécile Chevrier
Pyrethroids are insecticides frequently used in agriculture and in the home; exposure occurs through dietary and non-dietary pathways, including indoor and outdoor environmental contamination. Our objective was to study the potential determinants of pyrethroid metabolite concentrations measured in children's urine samples and in the dust of their homes. Specifically, we measured urinary metabolites from morning spot samples of 245 six-year-old children living in Brittany (France) in 2009-2012 and from dust vacuumed from the floor of their homes...
April 25, 2017: Environment International
https://www.readbyqxmd.com/read/28453960/implication-of-a-novel-gla-containing-protein-gas6-in-the-pathogenesis-of-insulin-resistance-impaired-glucose-homeostasis-and-inflammation-a-review
#19
REVIEW
Anjum Dihingia, Jatin Kalita, Prasenjit Manna
Growth arrest specific 6 (Gas6), a vitamin K-dependent protein plays a significant role in the regulation of cellular homeostasis via binding with TAM-receptor tyrosine kinases. Several studies reported the role of Gas6 in cancer, glomerular injury, obesity, and inflammation, however, very little is known about its role in insulin resistance (IR) and impaired glucose metabolism. Majority of the studies reported an inverse correlation of Gas6 protein levels or gene polymorphism with plasma glucose, HbA1c, IR, and inflammatory cytokines among type 2 diabetes (T2D) and obese subjects...
April 13, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28453955/acoustic-tweezing-cytometry-enhances-osteogenesis-of-human-mesenchymal-stem-cells-through-cytoskeletal-contractility-and-yap-activation
#20
Xufeng Xue, Xiaowei Hong, Zida Li, Cheri X Deng, Jianping Fu
Human mesenchymal stem cells (hMSCs) have great potential for cell-based therapies for treating degenerative bone diseases. It is known that mechanical cues in the cell microenvironment play an important role in regulating osteogenic (bone) differentiation of hMSCs. However, mechanoregulation of lineage commitment of hMSCs in conventional two-dimensional (2D) monocultures or bioengineered three-dimensional (3D) tissue constructs remains suboptimal due to complex biomaterial design criteria for hMSC culture...
April 22, 2017: Biomaterials
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