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https://www.readbyqxmd.com/read/27904580/quercetin-and-ovarian-cancer-an-evaluation-based-on-a-systematic-review
#1
REVIEW
Arefe Parvaresh, Roghaye Razavi, Nahid Rafie, Reza Ghiasvand, Makan Pourmasoumi, Maryam Miraghajani
Some studies have suggested chemopreventive and therapeutic effects of quercetin (Q) on carcinogenesis. The aim of this review was to evaluate the association between Q and ovarian cancer risk among human researches and induced sensitivity to some types of chemotherapeutic drugs and antiproliferative effects of this flavonoid in the animals and cell lines studies. Data for this systematic review were achieved through searches of the MEDLINE (PubMed), Google Scholar, Science Direct, Scopus, Cochrane, SID, and Magiran databases for studies published up to May 2015...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27904478/neuro-rejuvenation-for-neuronal-function
#2
REVIEW
Yuan Liu, Richard K Lee
Neurodegenerative eye diseases, such as glaucoma, cause irreversible vision loss in millions of patients worldwide, creating serious medical, economic and social issues. Like other mammalian central nervous system tracts, optic nerve intrinsically lacks the capacity for axonal growth and its surrounding environment is also non-permissive to regeneration. Any axonal damage also triggers a vicious cycle of retinal ganglion cell (RGC) death. Exploring methods that can enhance RGCs survival and promote axonal regeneration will not only enable vision restoration for millions of patients, but also shed light on the treatment of other neurodegenerative diseases...
October 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27903655/random-versus-cell-cycle-regulated-replication-initiation-in-bacteria-insights-from-studying-vibrio-cholerae-chromosome-2
#3
REVIEW
Revathy Ramachandran, Jyoti Jha, Johan Paulsson, Dhruba Chattoraj
Bacterial chromosomes initiate replication at a fixed time in the cell cycle, whereas there is generally no particular time for plasmid replication initiation or chromosomal replication initiation from integrated plasmids. In bacteria with divided genomes, the replication system of one of the chromosomes typically resembles that of bacteria with undivided genomes, whereas the remaining chromosomes have plasmid-like replication systems. For example, in Vibrio cholerae, a bacterium with two chromosomes (chromosome 1 [Chr1] and Chr2), the Chr1 system resembles that of the Escherichia coli chromosome, and the Chr2 system resembles that of iteron-based plasmids...
March 2017: Microbiology and Molecular Biology Reviews: MMBR
https://www.readbyqxmd.com/read/27902422/microbiota-dysbiosis-a-new-piece-in-the-understanding-of-carcinogenesis-puzzle
#4
Valeria García-Castillo, Enrique Sanhueza, Eileen McNerney, Sergio A Onate, Apolinaria García
Cancer is defined as an uncontrolled proliferation of malignant cells in a host and it is one of the main causes of death worldwide. Genetic and environmental factors play an important role in its development and the involvement of microbial communities has also recently been recognized. The close relationship that characterizes the colonization of human commensal communities involves health risks particularly when the homeostasis is disturbed. It has been hypothesized that this process may lead to cancer by modulating the inflammatory response of the host, by the production of carcinogenic metabolic products or by the production of toxins which disrupt the cell cycle...
October 21, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27900108/high-dose-chemotherapy-with-autologous-peripheral-blood-stem-cell-transplantation-for-choriocarcinoma-a-case-report-and-literature-review
#5
Eiko Yamamoto, Kaoru Niimi, Kayo Fujikake, Tetsuya Nishida, Makoto Murata, Ayako Mitsuma, Yuichi Ando, Fumitaka Kikkawa
Choriocarcinoma is a malignant gestational trophoblastic neoplasia (GTN) and one of the curable types of gynecological cancer. However, 10% of choriocarcinoma patients have a poor prognosis, particularly when they have metastasis, apart from pulmonary metastasis, or do not go into remission by the second chemotherapeutic regimen. We herein present the case of a 36-year-old patient who had choriocarcinoma with metastases to the lungs, liver and kidneys. The 5th and 6th regimens with cisplatin for choriocarcinoma failed and the patient developed brain metastases...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27900079/solitary-pleural-myeloma-diagnosed-by-semi-rigid-thoracoscopy-a-case-report-and-literature-review
#6
Jin-Sheng Ouyang, Yu-Ping Li, Peng Li, Min Ye, Jun-Ru Ye, Bei-Bei Wang, Ying Zhou, Cheng-Shui Chen
Multiple myeloma (MM) is characterized by abnormal proliferation of neoplastic plasma cells. Pleural effusion as an initial presentation of this disease is rare, as is true pleural myeloma. We herein present a case of solitary pleural myelomatous lesion in a 70-year-old male patient diagnosed by pleural biopsy via semi-rigid thoracoscopy followed by histopathological examination. Furthermore, a review of the related English literature identified 22 cases of pleural myeloma, only 3 of which were diagnosed by video-assisted thoracoscopy...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27900054/scorpion-venoms-in-gastric-cancer
#7
Xiao-Ying Zhang, Pei-Ying Zhang
Venom secretions from snakes, scorpions, spiders and bees, have been widely applied in traditional medicine and current biopharmaceutical research. Possession of anticancer potential is another novel discovery for animal venoms and toxins. An increasing number of studies have shown the anticancer effects of venoms and toxins of snakes, and scorpions in vitro and in vivo, which were achieved mainly through the inhibition of cancer growth, arrest of cell cycle, induction of apoptosis and suppression of cancer metastasis...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27899507/cycling-through-developmental-decisions-how-cell-cycle-dynamics-control-pluripotency-differentiation-and-reprogramming
#8
REVIEW
Abdenour Soufi, Stephen Dalton
A strong connection exists between the cell cycle and mechanisms required for executing cell fate decisions in a wide-range of developmental contexts. Terminal differentiation is often associated with cell cycle exit, whereas cell fate switches are frequently linked to cell cycle transitions in dividing cells. These phenomena have been investigated in the context of reprogramming, differentiation and trans-differentiation but the underpinning molecular mechanisms remain unclear. Most progress to address the connection between cell fate and the cell cycle has been made in pluripotent stem cells, in which the transition through mitosis and G1 phase is crucial for establishing a window of opportunity for pluripotency exit and the initiation of differentiation...
December 1, 2016: Development
https://www.readbyqxmd.com/read/27895762/primary-renal-lymphoma-a-case-report-and-literature-review
#9
Xiaodong Chen, Danfei Hu, Laifu Fang, Yichen Chen, Xiaohang Che, Jin Tao, Guobin Weng, Xiaolei Ye
Primary renal lymphoma (PRL) is a rare disease, with no more than 70 cases reported in the literature. The present study reports the case of a 70-year-old woman with PRL. The patient was asymptomatic, however, a mass on the right kidney was identified incidentally during routine physical examination. Computed tomography revealed a mass in the right kidney that was 3.6 cm in diameter. Subsequently, right nephrectomy was performed. The histological evaluation of the nephrectomy specimen showed diffuse large B-cell non-Hodgkin's lymphoma...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27895713/coexistence-of-iamp21-and-etv6-runx1-fusion-in-an-adolescent-with-b-cell-acute-lymphoblastic-leukemia-literature-review-of-six-additional-cases
#10
Jun Gu, Alexandra Reynolds, Lianghua Fang, Corrie DeGraffenreid, Kenneth Sterns, Keyur P Patel, L Jeffrey Medeiros, Pei Lin, Xinyan Lu
BACKGROUND: Intrachromosomal amplification of chromosome 21 (iAMP21) results from breakage-fusion-bridge cycles and chromothripsis is a distinct marker of a subgroup of B cell acute lymphoblastic leukemia (B-ALL) cases associated with a poor prognosis. iAMP21 accounts for 2% of pediatric B-ALL and occurs predominantly in older children or adolescents. ETV6-RUNX1 fusion, resulting from t(12;21)(p13;q22), is associated with an excellent outcome in younger children with B-ALL. Coexistence of iAMP21 with ETV6-RUNX1 fusion is extremely rare with limited clinical information available...
2016: Molecular Cytogenetics
https://www.readbyqxmd.com/read/27894946/the-emerging-role-of-long-non-coding-rna-in-gallbladder-cancer-pathogenesis
#11
REVIEW
Akanksha Khandelwal, Akshay Malhotra, Manju Jain, Karen M Vasquez, Aklank Jain
Gallbladder cancer (GBC) is the most common and aggressive form of biliary tract carcinoma with an alarmingly low 5-year survival rate. Despite its high mortality rate, the underlying mechanisms of GBC pathogenesis are not completely understood. Recently, from a growing volume of literature, long non-coding RNAs (lncRNAs) have emerged as key regulators of gene expression and appear to play vital roles in many human cancers. To date, a number of lncRNAs have been implicated in GBC, but their potential roles in GBC have not been systematically examined...
November 25, 2016: Biochimie
https://www.readbyqxmd.com/read/27894412/the-most-common-genes-involved-in-epigenetics-modifications-among-iranian-patients-with-breast-cancer-a-systematic-review
#12
N Iranshahi, P Zafari, K H Yari, E Alizadeh
Breast cancer, with a lifelong risk of one in nine, is the most common cancer among women. In Iran, breast cancer is one of the growing and important women's health problems. Several environmental, genetic and epigenetics factors have been suggested to have a role in breast cancer development. Epigenetics alterations are heritable changes in gene expression that occur without causing any change in DNA sequence. DNA methylation as a main epigenetics modification in human cancer is found as a promising biomarker in early detection of breast cancer...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894240/sumoylation-regulation-of-retina-development-and-functions
#13
L Zhang, D W-C Li
The structure and developmental mechanisms of vertebrate retina are highly conserved. One of the most distinctive events during retinogenesis is the temporally and spatially generation of seven types of retinal cells from the multipotent retinal progenitor cells. The importance and prevalence of SUMOylation in regulation of this process through modulation of gene expression and protein function diversity have been increasingly appreciated. Here, we review the biological significance of SUMOylation in retina development, examine how SUMOylation balances the proliferation and cell cycle exit of retinal progenitor cells, and finally discuss the molecular mechanisms mediating the specification of different retina neurons and photoreceptors through modulation of various transcription factors...
November 28, 2016: Current Molecular Medicine
https://www.readbyqxmd.com/read/27893963/regulated-proteolysis-in-bacteria-caulobacter
#14
Kamal Kishore Joshi, Peter Chien
Protein degradation is essential for all living things. Bacteria use energy-dependent proteases to control protein destruction in a highly specific manner. Recognition of substrates is determined by the inherent specificity of the proteases and through adaptor proteins that alter the spectrum of substrates. In the α-proteobacterium Caulobacter crescentus, regulated protein degradation is required for stress responses, developmental transitions, and cell cycle progression. In this review, we describe recent progress in our understanding of the regulated and stress-responsive protein degradation pathways in Caulobacter...
November 23, 2016: Annual Review of Genetics
https://www.readbyqxmd.com/read/27888531/fate-of-microglia-during-hiv-1-infection-from-activation-to-senescence
#15
REVIEW
Natalie C Chen, Andrea T Partridge, Christian Sell, Claudio Torres, Julio Martín-García
Microglia support productive human immunodeficiency virus type 1 (HIV-1) infection and disturbed microglial function could contribute to the development of HIV-associated neurocognitive disorders (HAND). Better understanding of how HIV-1 infection and viral protein exposure modulate microglial function during the course of infection could lead to the identification of novel therapeutic targets for both the eradication of HIV-1 reservoir and treatment of neurocognitive deficits. This review first describes microglial origins and function in the normal central nervous system (CNS), and the changes that occur during aging...
November 26, 2016: Glia
https://www.readbyqxmd.com/read/27888240/topological-organisation-of-the-phosphatidylinositol-4-5-bisphosphate-phospholipase-c-resynthesis-cycle-pitps-bridge-the-er-pm-gap
#16
REVIEW
Shamshad Cockcroft, Padinjat Raghu
Phospholipase C (PLC) is a receptor-regulated enzyme that hydrolyses phosphatidylinositol 4,5-bisphosphate (PI(4,5)P2) at the plasma membrane (PM) triggering three biochemical consequences, the generation of soluble inositol 1,4,5-trisphosphate (IP3), membrane-associated diacylglycerol (DG) and the consumption of PM PI(4,5)P2 Each of these three signals triggers multiple molecular processes impacting key cellular properties. The activation of PLC also triggers a sequence of biochemical reactions, collectively referred to as the PI(4,5)P2 cycle that culminates in the resynthesis of this lipid...
December 1, 2016: Biochemical Journal
https://www.readbyqxmd.com/read/27888162/photodynamic-therapy-as-an-alternative-treatment-for-relapsed-or-refractory-mycosis-fungoides-a-systemic-review
#17
REVIEW
Jingwen Xue, Cynthia Liu, Yuehua Liu
Mycosis fungoides is the most common cutaneous T-cell lymphoma. It is characterized by slow progress over years to decades, developing from patches to infiltrated plaques, and sometimes to tumors. Therapies such as localized chemotherapy, photochemotherapy and radiotherapy are often employed when lesions of refractory or relapsing mycosis fungoides are resistant to conventional therapies. However, these methods have acute or chronic side effects and toxicity, which may accumulate with repeated and protracted treatment cycles...
November 22, 2016: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/27885349/chronic-lymphocytic-leukemia-with-translocation-2-14-p16-q32-a-case-report-and-review-of-the-literature
#18
Francisco Socola, Giovanni Insuasti-Beltran, Rodolfo Henrich Lobo, Shebli Atrash, Appalanaidu Sasapu
We report the case of a young African American male with no significant past medical history presenting with low back and bilateral leg pain; presenting CBC and chemistries revealed elevated white blood cell count of 250,000, with anemia (Hb 6.8 g/dL) and thrombocytopenia (platelets 9 K/μL), and elevated LDH, 1008. Physical examination findings were notable for diffuse lymphadenopathy and lower extremity skin nodules. Interestingly the bone marrow biopsy revealed involvement by CLL/SLL with translocation (2;14)(p16;q32) and trisomy 12...
2016: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/27884017/the-p53-family-orchestrates-the-regulation-of-metabolism-physiological-regulation-and-implications-for-cancer-therapy
#19
Marco Napoli, Elsa R Flores
The p53 family of transcription factors is essential to counteract tumour formation and progression. Although previously this was exclusively associated with the ability of the p53 family to induce cell cycle arrest and apoptosis, an increasing number of reports have now indisputably demonstrated that the tumour suppressive functions of the p53 family members also rely on their ability to control and regulate cellular metabolism and maintain cellular oxidative homeostasis. Here, we review how each p53 family member, including p63 and p73, controls metabolic pathways in physiological conditions, and how these mechanisms could be exploited to provide anticancer therapeutic opportunities...
November 24, 2016: British Journal of Cancer
https://www.readbyqxmd.com/read/27881552/cardiac-t-tubule-microanatomy-and-function
#20
REVIEW
TingTing Hong, Robin M Shaw
Unique to striated muscle cells, transverse tubules (t-tubules) are membrane organelles that consist of sarcolemma penetrating into the myocyte interior, forming a highly branched and interconnected network. Mature t-tubule networks are found in mammalian ventricular cardiomyocytes, with the transverse components of t-tubules occurring near sarcomeric z-discs. Cardiac t-tubules contain membrane microdomains enriched with ion channels and signaling molecules. The microdomains serve as key signaling hubs in regulation of cardiomyocyte function...
January 2017: Physiological Reviews
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