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https://www.readbyqxmd.com/read/28339487/nucleolar-asymmetry-and-the-importance-of-septin-integrity-upon-cell-cycle-arrest
#1
Urvashi Rai, Fadi Najm, Alan M Tartakoff
Cell cycle arrest can be imposed by inactivating the anaphase promoting complex (APC). In S. cerevisiae this arrest has been reported to stabilize a metaphase-like intermediate in which the nuclear envelope spans the bud neck, while chromatin repeatedly translocates between the mother and bud domains. The present investigation was undertaken to learn how other features of nuclear organization are affected upon depletion of the APC activator, Cdc20. We observe that the spindle pole bodies and the spindle repeatedly translocate across the narrow orifice at the level of the neck...
2017: PloS One
https://www.readbyqxmd.com/read/28334956/prune-is-crucial-for-normal-brain-development-and-mutated-in-microcephaly-with-neurodevelopmental-impairment
#2
Massimo Zollo, Mustafa Ahmed, Veronica Ferrucci, Vincenzo Salpietro, Fatemeh Asadzadeh, Marianeve Carotenuto, Reza Maroofian, Ahmed Al-Amri, Royana Singh, Iolanda Scognamiglio, Majid Mojarrad, Luca Musella, Angela Duilio, Angela Di Somma, Ender Karaca, Anna Rajab, Aisha Al-Khayat, Tribhuvan Mohan Mohapatra, Atieh Eslahi, Farah Ashrafzadeh, Lettie E Rawlins, Rajniti Prasad, Rashmi Gupta, Preeti Kumari, Mona Srivastava, Flora Cozzolino, Sunil Kumar Rai, Maria Monti, Gaurav V Harlalka, Michael A Simpson, Philip Rich, Fatema Al-Salmi, Michael A Patton, Barry A Chioza, Stephanie Efthymiou, Francesca Granata, Gabriella Di Rosa, Sarah Wiethoff, Eugenia Borgione, Carmela Scuderi, Kshitij Mankad, Michael G Hanna, Piero Pucci, Henry Houlden, James R Lupski, Andrew H Crosby, Emma L Baple
PRUNE is a member of the DHH (Asp-His-His) phosphoesterase protein superfamily of molecules important for cell motility, and implicated in cancer progression. Here we investigated multiple families from Oman, India, Iran and Italy with individuals affected by a new autosomal recessive neurodevelopmental and degenerative disorder in which the cardinal features include primary microcephaly and profound global developmental delay. Our genetic studies identified biallelic mutations of PRUNE1 as responsible. Our functional assays of disease-associated variant alleles revealed impaired microtubule polymerization, as well as cell migration and proliferation properties, of mutant PRUNE...
February 28, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28330269/identification-of-the-traditional-and-non-traditional-sulfate-reducing-bacteria-associated-with-corroded-ship-hull
#3
Kiana Alasvand Zarasvand, V Ravishankar Rai
Pitting corrosion due to microbial activity is the most severe type of corrosion that occurs in ship hull. Since biogenic sulfide produced by sulfate-reducing bacteria (SRB) is involved in the acceleration of pitting corrosion of marine vessels, so it is important to collect information about SRB community involved in maritime vessel failure. We investigated the SRB community on corroded hull portion of the ship. With the use of common cultural method and 16S rDNA sequencing, ten bacteria with sulfate reduction ability were isolated and identified...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330262/biodegradation-of-isoproturon-by-pseudoxanthomonas-sp-isolated-from-herbicide-treated-wheat-fields-of-tarai-agro-ecosystem-pantnagar
#4
Krishna Giri, Shailseh Pandey, Rajesh Kumar, J P N Rai
A gram-negative, rod-shaped, isoproturon (IPU) utilizing bacterium was isolated from herbicide-applied wheat fields of Tarai agro-ecosystem, Pantnagar. The phylogenetic sequence analysis based on 16S rRNA sequence revealed that the isolate could be a distinct species within the genus Pseudomonas. The isolate was a close relative of Pseudoxanthomonas japonensis (95 % similarity) and designated as K2. The bacterial isolate showed positive reaction for oxidase, catalase, and 20 carbohydrates using KB009 Part A and B HiCarbohydrate™ Kit...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330154/inhibition-of-a-sulfate-reducing-bacterium-desulfovibrio-marinisediminis-gsr3-by-biosynthesized-copper-oxide-nanoparticles
#5
Kiana Alasvand Zarasvand, V Ravishankar Rai
To control the severe problem of microbiologically influenced corrosion, industries require highly potent antibacterial agent which can inhibit the growth of bacteria on man-made surfaces. This need drove the research towards the synthesis of nanoscale antimicrobial compounds. We, therefore, screened several bacteria for the biosynthesis of copper/copper compound nanoparticles which could inhibit the growth of Desulfovibrio marinisediminis, a sulfate reducing bacterium. Supernatant of thirty bacteria isolated from the biofilm formed on ship hull was mixed with 1 mM CuCl2 solution at room temperature...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330119/degradation-of-fipronil-by-stenotrophomonas-acidaminiphila-isolated-from-rhizospheric-soil-of-zea-mays
#6
Shivani Uniyal, Rashmi Paliwal, R K Sharma, J P N Rai
Fipronil is a widely used insecticide in agriculture and can cause potential health hazards to non-target soil invertebrates and nearby aquatic systems. In the present study, a fipronil degrading bacterium was isolated from fipronil contaminated soil, i.e. rhizospheric zone of Zea mays. Morphological, biochemical and molecular characterization of strain indicated that it clearly belongs to Stenotrophomonas acidaminiphila (accession no. KJ396942). A three-factor Box-Behnken experimental design combined with response surface modeling was employed to predict the optimum conditions for fipronil degradation...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28328540/er-3-tm-3-yb-3-camoo4-phosphor-as-an-outstanding-upconversion-based-optical-temperature-sensor-and-optical-heater
#7
Riya Dey, Vineet Kumar Rai
Optical temperature sensing in Er(3+)-Tm(3+)-Yb(3+)codoped CaMoO4 phosphor prepared by chemical co-precipitation route based on the near infrared (NIR) to green upconversion emission from Er(3+) ion is reported. The variation with respect to external temperature in emission intensity ratio of the green emissions around 530 nm and 552 nm, corresponding to the (2)H11/2 → (4)I15/2 and (4)S3/2 → (4)I15/2 transitions respectively, under 980 nm excitation has been studied in detail, to report the sensing property of the prepared material; the maximum sensor sensitivity ∼0...
March 22, 2017: Methods and Applications in Fluorescence
https://www.readbyqxmd.com/read/28326800/safety-feasibility-and-efficacy-of-bilateral-synchronous-percutaneous-nephrolithotomy-for-bilateral-stone-disease-evidence-from-a-systematic-review
#8
Patrick Jones, Blessing Dhliwayo, Bhavan Prasad Rai, Moeketsi Mokete, Ramachandran Amitharaj, Omar M Aboumarzouk, Bhaskar K Somani
INTRODUCTION: With the evolution of endourologic technology, bilateral synchronous percutaneous nephrolithotomy (BS-PCNL) has emerged as a potentially practical intervention for patients with bilateral lithiasis. Although tradition has favored a staged approach, an increasing number of original studies have reported their experiences with the synchronous approach. MATERIALS AND METHODS: A Cochrane style search was performed after development of a sensitive and predefined search strategy...
March 22, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28325623/impact-of-body-mass-index-on-survival-outcome-in-patients-with-differentiated-thyroid-cancer
#9
Yousif Al-Ammar, Bader Al-Mansour, Omar Al-Rashood, Mutahir A Tunio, Tahera Islam, Mushabbab Al-Asiri, Khalid Hussain Al-Qahtani
INTRODUCTION: Increased body mass index (BMI) is known to be associated with the high prevalence of Differentiated Thyroid Cancers (DTC); however data on its impact on survival outcome after thyroidectomy and adjuvant therapy is scanty. OBJECTIVE: We aimed to evaluate the impact of BMI on overall survival (OS) and disease free survival (DFS) rates in patients with DTC. METHODS: Between 2000 and 2011, 209 patients with DTC (papillary, follicular, hurthle cell) were treated with thyroidectomy followed by adjuvant radioactive iodine-131 (RAI) therapy and thyroid-stimulating hormone (TSH) suppression...
February 28, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28324505/probing-the-telomere-damage-response
#10
Rekha Rai, Sandy Chang
Telomere dysfunctions, rendered through replicative attrition of telomeric DNA or due to the removal of shelterin components, are recognized as DNA double-stranded breaks (DSBs) by the DNA damage repair (DDR) pathway. This leads to the activation of DNA damage checkpoint sensors, including the Mre11-Rad50-Nbs1 (MRN) complex, γ-H2AX and 53BP1, the ATM and ATR signal-transducing kinases, and downstream effectors, including Chk1, Chk2, and p53. Robust DNA damage response signals at dysfunctional telomeres, achieved by the complete deletion of TRF2 or by expressing dominant-negative mutant TPP1ΔRD, can be detected by their association with γ-H2AX and 53BP1 forming "telomere dysfunction induced foci (TIFs)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28324504/cytogenetic-analysis-of-telomere-dysfunction
#11
Rekha Rai, Asha S Multani, Sandy Chang
Dysfunctional telomeres arising either through natural attrition due to telomerase deficiency or by the removal of telomere-binding proteins are recognized as double-stranded breaks (DSBs). Repair of DSBs is crucial for the maintenance of genome stability. In mammals, DSBs are repaired by either error-prone nonhomologous end joining (NHEJ) or error-free homologous recombination (HR) and can be visualized as chromosomal fusions.
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28321091/azacitidine-therapy-for-low-risk-myelodysplastic-syndrome-developing-after-solid-organ-transplantation
#12
Hiroaki Inoue, Yasuyoshi Morita, Shinya Rai, Hiroaki Kakutani, Yasuyo Ohyama, Yasuhiro Taniguchi, Hirokazu Tanaka, Takahiro Shimada, Yoichi Tatsumi, Takashi Ashida, Itaru Matsumura
Immunosuppressive therapy after solid organ transplantation is known to be a risk factor for the development of myelodysplastic syndromes (MDS). Herein, we report 2 patients, both of whom developed low-risk MDS after solid organ transplantation and were successfully treated with azacitidine (AZA). The 1st case was a 74-year-old man who had received liver transplantation. The initial immunosuppressive therapy consisted of cyclosporine and prednisolone. Nine years after transplantation, he was diagnosed as having MDS (RCMD)...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28320693/why-we-should-avoid-handover-hostility
#13
Andrew Al-Rais
No abstract text is available yet for this article.
March 20, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28318881/targeted-therapy-in-thyroid-cancer-state-of-the-art
#14
L Valerio, L Pieruzzi, C Giani, L Agate, V Bottici, L Lorusso, V Cappagli, L Puleo, A Matrone, D Viola, C Romei, R Ciampi, E Molinaro, R Elisei
Thyroid cancer typically has a good outcome following standard treatments, which include surgery, radioactive iodine ablation for differentiated tumours and treatment with thyrotropine hormone-suppressive levothyroxine. Thyroid cancers that persist or recur following these therapies have a poorer prognosis. Cytotoxic chemotherapy or external beam radiotherapy has a low efficacy in these patients. 'Target therapy' with tyrosine kinase inhibitors (TKIs) represent an important therapeutic option for the treatment of advanced cases of radioiodine refractory (RAI-R) differentiated thyroid cancer (DTC), medullary thyroid cancer (MTC) and possibly for cases of poorly differentiated (PDTC) and anaplastic thyroid cancer (ATC)...
March 16, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28316823/a-new-solvate-of-afatinib-a-specific-inhibitor-of-the-erbb-family-of-tyrosine-kinases
#15
Matthias Zeller, Gabriel Lima Barros de Araujo, Trev Parker, Amrinder Singh Rai, Stephen R Byrn
Afatinib (systematic name: N-{4-(3-chloro-4-fluoro-anilino)-7-[(tetra-hydro-furan-3-yl)-oxy]quinazolin-6-yl}-4-(di-methyl-amino)-but-2-enamide), is a specific in-hibitor of the ErbB family of tyrosine kinases. The free base form crystallizes from aceto-nitrile as a mixed water-aceto-nitrile solvent, C24H25ClFN5O3·0.25C2H3N·2H2O. It crystallizes with two independent mol-ecules (A and B) in the asymmetric unit of the chiral space group P4212, but exhibits close to perfect pseudo-inversion symmetry, emulating P4/ncc that relates the two mol-ecules to each other...
March 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28315919/a-rare-adult-renal-neuroblastoma-better-imaged-by-18-f-fdg-than-by-68-ga-dotanoc-in-the-pet-ct-scan
#16
Tarun Kumar Jain, Sharwan Kumar Singh, Ashwani Sood, Abhiram Gj Ashwathanarayama, Rajender Kumar Basher, Jaya Shukla, Bhagwant Rai Mittal
Primary renal neuroblastoma is an uncommon tumor in children and extremely rare in adults. We present a case of a middle aged female having a large retroperitoneal mass involving the right kidney with features of neuroblastoma on pre-operative histopathology. Whole-body fluorine-18-fluoro-deoxyglucose positron emission tomography ((18)F-FDG PET/CT) and (68)Ga-dotanoc PET/CT scans performed for staging and therapeutic potential revealed a tracer avid mass replacing the right kidney and also pelvic lymph nodes...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28315902/postoperative-radioactive-iodine-131-ablation-is-not-necessary-among-patients-with-intermediate-risk-differentiated-thyroid-carcinoma-a-population-based-study
#17
Hong Zhang, Yuechang Cai, Li Zheng, Zhanlei Zhang, Ningyi Jiang
OBJECTIVE: To assess the effectiveness of radioactive iodine (RAI) ablation among patients with intermediate-risk differentiated thyroid cancer (DTC) following surgery. SUBJECTS AND METHODS: This population based study obtained information from the Surveillance, Epidemiology, and End Results (SEER) Program Research Data (1973-2013). National Cancer Institute, DCCPS, Surveillance Research Programme, Surveillance Systems Branch, released April 2016, based on the November 2015 submission...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28314693/wnk4-is-an-adipogenic-factor-and-its-deletion-reduces-diet-induced-obesity-in-mice
#18
Daiei Takahashi, Takayasu Mori, Eisei Sohara, Miyako Tanaka, Motoko Chiga, Yuichi Inoue, Naohiro Nomura, Moko Zeniya, Hiroki Ochi, Shu Takeda, Takayoshi Suganami, Tatemitsu Rai, Shinichi Uchida
The with-no-lysine kinase (WNK) 4 gene is a causative gene in pseudohypoaldosteronism type II. Although WNKs are widely expressed in the body, neither their metabolic functions nor their extrarenal role is clear. In this study, we found that WNK4 was expressed in mouse adipose tissue and 3T3-L1 adipocytes. In mouse primary preadipocytes and in 3T3-L1 adipocytes, WNK4 was markedly induced in the early phase of adipocyte differentiation. WNK4 expression preceded the expression of key transcriptional factors PPARγ and C/EBPα...
March 8, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28306557/mri-micturating-urethrography-for-improved-urethral-delineation-in-prostate-radiotherapy-planning-a-case-study
#19
Robba Rai, Mark Sidhom, Karen Lim, Lucy Ohanessian, Gary P Liney
Stereotactic ablative body radiotherapy is used in prostate cancer to deliver a high dose of radiation to the tumour over a small number of treatments. This involves the simulation of the patient using both CT and MRI. Current practice is to insert an indwelling catheter (IDC) during CT to assist with visualisation of the urethra and subsequently minimise dose to this highly critical structure. However, this procedure is invasive and has an associated risk of infection. This is a case study, which demonstrates our initial experience of using a real-time non-invasive MRI technique to replace the use of IDC for prostate cancer patients...
March 17, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28306546/substitute-ct-generation-from-a-single-ultra-short-time-echo-mri-sequence-preliminary-study
#20
Soumya Ghose, Jason A Dowling, Robba Rai, Gary P Liney
In MR guided radiation therapy planning both MR and CT images for a patient are acquired and co-registered to obtain a tissue specific HU map. Generation of the HU map directly from the MRI would eliminate the CT acquisition and may improve radiation therapy planning. In this preliminary study of substitute CT (sCT) generation, two porcine leg phantoms were scanned using a 3D ultrashort echo time (PETRA) sequence and co-registered to corresponding CT images to build tissue specific regression models. The model was created from one co-registered CT-PETRA pair to generate the sCT for the other PETRA image...
March 17, 2017: Physics in Medicine and Biology
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