The head of Libya’s U.N.-supported government Friday warned of an escalation in the battle for Tripoli after rockets struck near foreign embassies in the capital, drawing sharp condemnation from the European Union and United Nations.

The State Government of Madhya Pradesh requested the Asian Development Bank (ADB) to finance the rehabilitation and upgrade of 1,080 km of state highways in Madhya Pradesh under the state road rehabilitation program. The project was to upgrade existing roads to two or intermediate lanes (two-lane standard), strengthen existing pavement, strengthen culverts and bridges, and construct new bridges and cross-draining structures. The project roads were mostly in poor areas of the state in the eastern and west central areas of Madhya Pradesh.

The Madhya Pradesh Power Sector Investment Program in India was a multitranche financing facility (MFF) designed to support Madhya Pradesh state’s sustainable economic growth and social development by investing in the statewide power transmission and distribution networks. The MFF supported the state government in expanding its power transmission, distribution, and management infrastructure and capacity.

The world is experiencing what some may think is a “typical” black swan event: rare, extremely impactful, and only retrospectively predictable. 

The project’s key objective was to demonstrate an innovative integrated ecosystem and water resources management that will improve the environmental conditions in the Baiyangdian Basin in Hebei province, southwest of Beijing. It focused on the need to conserve Baiyangdian Lake—one of the most important and vulnerable ecosystems in the People’s Republic of China (PRC). It would also contribute to achieving the goals of the Baoding municipality’s Eleventh Five-Year Environmental Protection Plan.

Bu nəşrdə Azərbaycanda şaxələndirilmiş, inklyuziv və dayanıqlı artım naminə Asiya İnkişaf Bankı (AİB) və Azərbaycan Hökuməti arasında əməkdaşlığın və birgə səylərin xülasəsi təqdim edilir.

ADB's food distribution program for Metro Manila and nearby areas reaches more than 100,000 needy households. affected by community quarantine due to COVID-19.

INDORE: To ensure hassle-free establishment of special economic zones (SEZs) in Indore, the state government is all set to go for Development Control Regulation (DCR). On the lines of Gujarat, a single window clearance system is being planned for them. A decision to this effect is likely to be taken during the meeting of the state cabinet in Bhopal on Wednesday. Once cleared, the Act will empower the SEZ development commissioner to sort out the issues and give necessary permission to the SEZs that have already been allotted land by the state government and received notifications for the SEZ status. They include TCS, Infosys and Impetus. While TCS and Impetus […]

During the early 1900s, the city of Mumbai witnessed an unprecedented peak in social, artistic, and cultural activity. At the center of this movement was the Royal Opera House, Mumbai, India’s ‘cultural crown jewel’ and only surviving opera house. Built...

It’s the best of both worlds – matching the thrill of the open road on two wheels with the ultimate in convenience, connectivity and entertainment at your fingertips. HARMAN is pleased to work with Yamaha to help perfect this blend with the introduction...

In September, the 41st Cannes Yachting Festival brought together some of the world’s most dazzling vessels in a luxurious, iconic setting. As the official car of the Cannes Yachting Festival for the second consecutive year, Maserati, together with the...

Archie Mountbatten-Windsor, the son of Britain's Prince Harry and his American wife Meghan, celebrated his first birthday on Wednesday, with his parents marking the occasion with a video of his...

Hundreds of scientifically priceless fossils are extracted in horrendous conditions in Myanmar’s amber mines and smuggled over the border for sale in China

Ryanair Group CEO Michael O’Leary sits down with Reuters Tim Hepher to discuss challenges including industry-wide consolidation, environmental taxes, Brexit, the grounding of the Boeing 737 MAX and his 5-year, 100 million euro bonus package. Watch here the full event.

A six-foot image of a sad-eyed man, baseball cap askew and mask covering his nose and mouth is spray painted on a building in a Nairobi slum. Next to it are the words “Corona is real”.

London's High Court on Friday threw out part of a claim brought by Meghan, Britain's Duchess of Sussex, against a tabloid newspaper for breaching her privacy, ruling that it had not acted dishonestly. Lauren Anthony reports.

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Category: Medications
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Title: Granulomatosis With Polyangiitis
Category: Diseases and Conditions
Created: 12/31/1997 12:00:00 AM
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In mammalian cells, alphavirus replication complexes are anchored to the plasma membrane. This interaction with lipid bilayers is mediated through the viral methyl/guanylyltransferase nsP1 and reinforced by palmitoylation of cysteine residue(s) in the C-terminal region of this protein. Lipid content of membranes supporting nsP1 anchoring remains poorly studied. Here, we explore the membrane binding capacity of nsP1 with regard to cholesterol. Using the medically important chikungunya virus (CHIKV) as a model, we report that nsP1 cosegregates with cholesterol-rich detergent-resistant membrane microdomains (DRMs), also called lipid rafts. In search for the critical factor for cholesterol partitioning, we identify nsP1 palmitoylated cysteines as major players in this process. In cells infected with CHIKV or transfected with CHIKV trans-replicase plasmids, nsP1, together with the other nonstructural proteins, are detected in DRMs. While the functional importance of CHIKV nsP1 preference for cholesterol-rich membrane domains remains to be determined, we observed that U18666A- and imipramine-induced sequestration of cholesterol in late endosomes redirected nsP1 to these compartments and simultaneously dramatically decreased CHIKV genome replication. A parallel study of Sindbis virus (SINV) revealed that nsP1 from this divergent alphavirus displays a low affinity for cholesterol and only moderately segregates with DRMs. Behaviors of CHIKV and SINV with regard to cholesterol, therefore, match with the previously reported differences in the requirement for nsP1 palmitoylation, which is dispensable for SINV but strictly required for CHIKV replication. Altogether, this study highlights the functional importance of nsP1 segregation with DRMs and provides new insight into the functional role of nsP1 palmitoylated cysteines during alphavirus replication.

IMPORTANCE Functional alphavirus replication complexes are anchored to the host cell membranes through the interaction of nsP1 with the lipid bilayers. In this work, we investigate the importance of cholesterol for such an association. We show that nsP1 has affinity for cholesterol-rich membrane microdomains formed at the plasma membrane and identify conserved palmitoylated cysteine(s) in nsP1 as the key determinant for cholesterol affinity. We demonstrate that drug-induced cholesterol sequestration in late endosomes not only redirects nsP1 to this compartment but also dramatically decreases genome replication, suggesting the functional importance of nsP1 targeting to cholesterol-rich plasma membrane microdomains. Finally, we show evidence that nsP1 from chikungunya and Sindbis viruses displays different sensitivity to cholesterol sequestering agents that parallel with their difference in the requirement for nsP1 palmitoylation for replication. This research, therefore, gives new insight into the functional role of palmitoylated cysteines in nsP1 for the assembly of functional alphavirus replication complexes in their mammalian host.

The extracellular matrix (ECM) initiates mechanical cues that activate intracellular signaling through matrix–cell interactions. In blood vessels, additional mechanical cues derived from the pulsatile blood flow and pressure play a pivotal role in homeostasis and disease development. Currently, the nature of the cues from the ECM and their interaction with...

Imants G. Priede, Rhoderick W. Burgass, Manolis Mandalakis, Apostolos Spyros, Petros Gikas, Finlay Burns, and Jim Drewery

Whereas upper ocean pelagic sharks are negatively buoyant and must swim continuously to generate lift from their fins, deep-sea sharks float or swim slowly buoyed up by large volumes of low-density oils in their livers. Investigation of the Pressure, Volume, Temperature (PVT) relationships for liver oils of 10 species of deep-sea Chondrichthyes shows that the density difference between oil and seawater, remains almost constant with pressure down to full ocean depth (11 km, 1100 bar); theoretically providing buoyancy far beyond the maximum depth of occurrence (3700 m) of sharks. However, , does change significantly with temperature and we show that the combined effects of pressure and temperature can decrease buoyancy of oil by up to 10% between the surface and 3500 m depth across interfaces between warm southern and cold polar waters in the Rockall Trough in the NE Atlantic. This increases drag more than 10 fold compared with neutral buoyancy during horizontal slow swimming (0.1 m s^–1) but the effect becomes negligible at high speeds. Chondrichthyes generally experience positive buoyancy change during ascent and negative buoyancy change during descent but contrary effects can occur at interfaces between waters of different densities. During normal vertical migrations buoyancy changes are small, increasing slow-speed drag by no more than 2–3 fold. Equations and tables of density, pressure and temperature are provided for squalene and liver oils of Chimaeriformes (Harriotta raleighana, Chimaera monstrosa, Chimaera monstrosa), Squaliformes (Centrophorus squamosus, Deania calcea, Centroscymnus coelolepis, Centroscyllium fabricii, Etmopterus spinax) and Carcharhiniformes (Apristurus laurussonii, Galeus murinus).

Background

The serine/threonine kinases MST1 and MST2 are core components of the Hippo pathway, which has been found to be critically involved in embryonic kidney development. Yes-associated protein (YAP) and transcriptional coactivator with PDZ-binding motif (TAZ) are the pathway’s main effectors. However, the biologic functions of the Hippo/YAP pathway in adult kidneys are not well understood, and the functional role of MST1 and MST2 in the kidney has not been studied.

The atypical trichromatic cyanobacterial phytochrome NpTP1 from Nostoc punctiforme ATCC 29133 is a linear tetrapyrrole (bilin)-binding photoreceptor protein that possesses tandem-cysteine residues responsible for shifting its light-sensing maximum to the violet spectral region. Using bioinformatics and phylogenetic analyses, here we established that tandem-cysteine cyanobacterial phytochromes (TCCPs) compose a well-supported monophyletic phytochrome lineage distinct from prototypical red/far-red cyanobacterial phytochromes. To investigate the light-sensing diversity of this family, we compared the spectroscopic properties of NpTP1 (here renamed NpTCCP) with those of three phylogenetically diverged TCCPs identified in the draft genomes of Tolypothrix sp. PCC7910, Scytonema sp. PCC10023, and Gloeocapsa sp. PCC7513. Recombinant photosensory core modules of ToTCCP, ScTCCP, and GlTCCP exhibited violet-blue–absorbing dark-states consistent with dual thioether-linked phycocyanobilin (PCB) chromophores. Photoexcitation generated singly-linked photoproduct mixtures with variable ratios of yellow-orange and red-absorbing species. The photoproduct ratio was strongly influenced by pH and by mutagenesis of TCCP- and phytochrome-specific signature residues. Our experiments support the conclusion that both photoproduct species possess protonated 15E bilin chromophores, but differ in the ionization state of the noncanonical “second” cysteine sulfhydryl group. We found that the ionization state of this and other residues influences subsequent conformational change and downstream signal transmission. We also show that tandem-cysteine phytochromes present in eukaryotes possess similar amino acid substitutions within their chromophore-binding pocket, which tune their spectral properties in an analogous fashion. Taken together, our findings provide a roadmap for tailoring the wavelength specificity of plant phytochromes to optimize plant performance in diverse natural and artificial light environments.

Triple-negative breast cancer (TNBC) is characterized by its aggressive biology, early metastatic spread, and poor survival outcomes. TNBC lacks expression of the targetable receptors found in other breast cancer subtypes, mandating use of cytotoxic chemotherapy. However, resistance to chemotherapy is a significant problem, encountered in about two-thirds of TNBC patients, and new strategies are needed to mitigate resistance. In this issue of the Journal of Biological Chemistry, Geck et al. report that TNBC cells are highly sensitive to inhibition of the de novo polyamine synthesis pathway and that inhibition of this pathway sensitizes cells to TNBC-relevant chemotherapy, uncovering new opportunities for addressing chemoresistance.

Treatment of patients with triple-negative breast cancer (TNBC) is limited by a lack of effective molecular therapies targeting this disease. Recent studies have identified metabolic alterations in cancer cells that can be targeted to improve responses to standard-of-care chemotherapy regimens. Using MDA-MB-468 and SUM-159PT TNBC cells, along with LC-MS/MS and HPLC metabolomics profiling, we found here that exposure of TNBC cells to the cytotoxic chemotherapy drugs cisplatin and doxorubicin alter arginine and polyamine metabolites. This alteration was because of a reduction in the levels and activity of a rate-limiting polyamine biosynthetic enzyme, ornithine decarboxylase (ODC). Using gene silencing and inhibitor treatments, we determined that the reduction in ODC was mediated by its negative regulator antizyme, targeting ODC to the proteasome for degradation. Treatment with the ODC inhibitor difluoromethylornithine (DFMO) sensitized TNBC cells to chemotherapy, but this was not observed in receptor-positive breast cancer cells. Moreover, TNBC cell lines had greater sensitivity to single-agent DFMO, and ODC levels were elevated in TNBC patient samples. The alterations in polyamine metabolism in response to chemotherapy, as well as DFMO-induced preferential sensitization of TNBC cells to chemotherapy, reported here suggest that ODC may be a targetable metabolic vulnerability in TNBC.

We present a review of the Chang 7 Member oil shale, which occurs in the middle–late Triassic Yanchang Formation of the Ordos Basin in central north China. The oil shale has a thickness of 28 m (average), an area of around 30 000 km² and a Ladinian age. It is mainly brown-black to black in colour with a laminar structure. It is characterized by average values of 18 wt% TOC (total organic carbon), 8 wt% oil yield, a 8.35 MJ kg^–1 calorific value, 400 kg t^–1 hydrocarbon productivity and kerogen of type I–II₁, showing a medium quality. On average, it comprises 49% clay minerals, 29% quartz, 16% feldspar and some iron oxides, which is close to the average mineral composition of global shale. The total SiO₂ and Al₂O₃ comprise 63.69 wt% of the whole rock, indicating a medium ash type. The Sr/Ba is 0.33, the V/Ni is 7.8, the U/Th is 4.8 and the FeO/Fe₂O₃ is 0.5, indicating formation in a strongly reducing, freshwater or low-salinity sedimentary environment. Multilayered intermediate-acid tuff is developed in the basin, which may have promoted the formation of the oil shale. The Ordos Basin was formed during the northwards subduction of the Qinling oceanic plate during the Ladinian–Norian in a back-arc basin context. The oil shale of the Ordos Basin has a large potential for hydrocarbon generation.

Supplementary material: Tables of oil-shale geochemical composition, proximate and organic matter analyses from the Chang 7 Member oil shale, the Ordos Basin, Central north China are available at https://doi.org/10.6084/m9.figshare.c.4411703

The Lower and Middle Ordovician of the Yangtze Platform, China, is characterized by a sedimentary succession dominated by carbonate rocks. Three sections spanning the Nantsinkuan/Lunshan, Fenhsiang, Hunghuayuan, and Dawan/Zitai formations, corresponding to the Tremadocian–Dapingian in age, have been sampled for high-resolution ¹³C chemostratigraphy (542 samples in total). Our new ¹³C data reveal five tie-points with the potential for global correlation: (1) a positive ¹³C excursion in the lower Nantsinkuan Formation within the Tremadocian Rossodus manitouensis Zone; (2) an excursion with two peaks roughly within the late Tremadocian Paltodus ‘deltifer’ Zone; (3) a positive ¹³C shift in the lower Hunghuayuan Formation, within the early Floian Serratognathus diversus Zone; (4) a gradual positive ¹³C shift in the late Floian, ranging from the uppermost S. diversus Zone to the basal Oepikodus evae Zone; (5) a minor negative shift in the lower Dawan/Zitai Formation, within the early Dapingian Baltoniodus triangularis Zone. These excursions are herein used for correlation of the Yangtze Platform strata with successions from South China, North China, the Argentine Precordillera, North America and Baltica. From a palaeogeographical perspective the Gudongkou, Xiangshuidong and Daling sections represent depositional environments along an inner to outer ramp profile. ¹³C data from these sections show successively heavier (higher) ¹³C values with increasing depositional depth. This is interpreted as due to remineralization of organic carbon within the carbonate rocks.

Supplementary material: Carbon and oxygen isotope data are available at: https://doi.org/10.6084/m9.figshare.c.4767080

ABSTRACTIntroduction:We evaluated a 2-way short message service (SMS) communication platform to improve continuation of pre-exposure prophylaxis (PrEP) for HIV prevention among Kenyan women who initiated PrEP within routine maternal child health (MCH) and family planning clinics.Methods:We adapted an existing SMS platform (Mobile WACh [mWACh]) to send PrEP-tailored, theory-based SMS and allow clients to communicate with a remote nurse. Women who did not have HIV and who were initiating PrEP at 2 MCH/family planning clinics in Kisumu County, Kenya, from February to October 2018, were offered enrollment into the mWACh-PrEP program; SMS communication was free. We evaluated acceptability, satisfaction, and implementation metrics. In a pre/postevaluation, we compared PrEP continuation at 1-month postinitiation among women who initiated PrEP in the period before (n=166) versus after mWACh-PrEP implementation, adjusting for baseline differences.Results:Of the 334 women who were screened for enrollment into the mWACh-PrEP program; 193 (58%) were eligible and of those, 190 (98%) accepted enrollment. Reasons for ineligibility (n=141) included no phone access (29%) and shared SIM cards (25%). Median age was 25 years (interquartile range=22–30), and 91% were MCH clients. Compared to women who initiated PrEP in the month before mWACh-PrEP implementation, women who enrolled in mWACh-PrEP were more likely to return for their first PrEP follow-up visit (40% vs. 53%; adjusted risk ratio [aRR]=1.26; 95% confidence interval [CI]= 1.06, 1.50; P=.008) and more likely to continue PrEP (22% vs. 43%; aRR=1.75; 95% CI=1.21, 2.55; P=.003). Among those who returned, 99% reported successful receipt of SMS through the mWACh-PrEP system and 94% reported that mWACh-PrEP helped them understand PrEP better. Concerns about PrEP use, how it works, and side effects accounted for the majority (80%) of issues raised by participants using SMS.Conclusions:Two-way SMS expanded support for PrEP and opportunities for dialogue beyond the clinic and enabled women to ask and receive answers in real time regarding PrEP, which facilitated its continued use.

Hundreds of thousands of Rohingya refugees arrived in Bangladesh within weeks in fall 2017, quickly forming large settlements without any basic support. Humanitarian first responders provided basic necessities including food, shelter, water, sanitation, and health care. However, the challenge before them—a vast camp ravaged by diphtheria and measles superimposed on a myriad of common pathologies—was disproportionate to the resources. The needs were endless, resources finite, inadequacies abundant, and premature death inevitable. While such confines force unimaginable choices in resource allocation, they do not define the humanitarian purpose—to alleviate suffering and not allow such moral violations to become devoid of their horrifying meaning. As humanitarian workers, we maintain humanity when we care, commit, and respond to moral injustices. This refusal to abandon others in desperate situations is an attempt to rectify injustices through witnessing and solidarity. When people are left behind, we must not leave them alone.

Narad Jayanti 2020 Date: नारद जयंती 'देवऋषि नारद मुनि' के जन्म दिवस के रूप में वैशाख कृष्ण प्रतिपदा के दिन मनाई जाती है। इस साल यह तिथि 8 मई तो पड़ रही है। इसलिए नारद जयंती 8 मई मनाई जाएगी।

Narsingh Jayanti 2020: नरसिंह जयंती भगवान नरसिंह जी का जन्मोत्सव है। हिन्दू पंचांग के अनुसार, भगवान नरसिंह जी का अवतरण वैशाख शुक्ल पक्ष की चतुर्दशी तिथि के दिन हुआ था। इस वर्ष यह तिथि 6 मई को पड़ रही है। इसलिए नरसिंह जयंती 6 मई को मनाई जाएगी।

भगवान विष्णु ने नरसिंह का अवतार लेकर हिरण्कश्यपु का वध करके अपने प्रिय भक्त प्रह्रलाद की जान बचाई थी। भगवान विष्णु ने पृथ्वी पर कई अलग-अलग अवतार लेकर अपने भक्तों को मुसीबतों से बचाया है।

मास वैशाख कृतिका युत, हरण मही को भार। शुक्ल चतुर्दशी सोम दिन, लियो नरसिंह अवतार।।