Результаты поиска

Виром ДНК связан с аутоиммунными заболеваниями и COVID-19.

Аберрантная иммунная реакция на вирусные патогены способствует патогенезу, но наше понимание патологических иммунных реакций, вызванных вирусами в вироме человека, особенно в масштабе населения, остается ограниченным. Мы проанализировали наборы данных о последовательности целых генов 6,321 Японцы, включая пациентов с аутоиммунными заболеваниями (псориаз вульгарис, ревматоидный артрит (RA), системный волшебный эритематос (SLE), легочный альвеолярный протеиноз (PAP) или множественный склероз) и коронавирусное заболевание 2019 (В тыс.COVID-19) или здоровый контроль. Систематическая количественная

Bortezomib inhibits chikungunya virus replication by interfering with viral protein synthesis.

Chikungunya virus (CHIKV) is an alphavirus that causes a febrile illness accompanied by myalgia and arthralgia. Despite having re-emerged as a significant public health threat, there are no approved therapeutics or prophylactics for CHIKV infection. In this study, we explored the anti-CHIKV effects of proteasome inhibitors and their potential mechanism of antiviral action. A panel of proteasome inhibitors with different functional groups reduced CHIKV infectious titers in a dose-dependent manner. Bortezomib, which has been FDA-approved for multiple myeloma and mantle cell lymphoma, was further

The Deadly Duo of COVID-19 and Cancer!

As of September 19, 2020, about 30 million people have been infected with the novel corona virus disease 2019 (COVID-19) globally, and the numbers are increasing at an alarming rate. The disease has a tremendous impact on every aspect of life, but one of the biggest, related to human health and medical sciences, is its effect on cancer. Nearly 2% of the total COVID-19 patients prior to May 2020 had cancer, and the statistics are quite frightening as the patient can be referred to as "doubly unfortunate" to suffer from cancer with the added misery of infection with COVID-19. Data regarding the

Идентификация two Ротавирус A генотипы, G35 и P[50], от перуанских фекалий альпаки.

Ротавирус A (RVA) Alp11B был обнаружен из неонатального перуанского альпака, подаваемого диареей, и гены Alp11B VP7, VP4, VP6, NSP4, и NSP5 были секвенированы. Часть генотипа этого штамма, RVA/Alpaca-wt/PER/Alp11B/2010, было решено, что G35-P[50]-I13-E16-H6.

mRNA Vaccines: Current Applications and Future Directions.

Messenger RNA (mRNA) vaccines, as a novel class of biotherapeutics, leverage mRNA technology to instruct cells to produce specific antigens, thereby inducing an immune response. In recent years, significant progress has been made in applying these vaccines to infectious disease prevention and cancer treatment. Compared with traditional vaccines, mRNA vaccines offer high programmability, as well as greatly enhanced stability and immunogenicity, achieved through nucleotide modifications and advanced delivery systems such as lipid nanoparticles. However, many challenges remain in the design and d

Antibiotic-Free Gene Vectors: A 25-Year Journey to Clinical Trials.

Until very recently, the major use, for gene therapy, specifically of linear or circular DNA, such as plasmids, was as ancillary products for viral vectors' production or as a genetic template for mRNA production. Thanks to targeted and more efficient physical or chemical delivery techniques and to the refinement of their structure, non-viral plasmid DNA are now under intensive consideration as pharmaceutical drugs. Plasmids traditionally carry an antibiotic resistance gene for providing the selection pressure necessary for maintenance in a bacterial host. Nearly a dozen different antibiotic-f

Создание блокирующей ЭЛИСА, использующей VP1-specific моноклонные антитела для обнаружения антител DHAV3.

Вирус гепатита Утки А (DHAV) вызывает острую и серьезную инфекционную болезнь, характеризующуюся опухолью печени и кровоизлиянием в организм утят. three неделями в возрасте. Эта болезнь приводит к значительным экономическим потерям в уточной промышленности. В Китае широко распространены как DHAV1, так и DHAV3, при этом более доминирующим является DHAV3. В числе three Структурные белки DHAV, белки VP1 являются наиболее критическими, поскольку они вызывают нейтрализующее производство антител, служат связующим белком для вирусной адсорбции рецепторов для конкретных клеток и определяют вирусную ан

A Rare and Fatal Case of Hemophagocytic Lymphohistiocytosis Associated with Sarcoidosis.

BACKGROUND Sarcoidosis is a systemic inflammatory disorder characterized by a classic pathologic feature of non-caseating granulomas involving any organ system. Hemophagocytic lymphohistiocytosis (HLH) is a catastrophic cytokine surge characterized by dysregulation of the macrophage response, which can be rapidly fatal. Recognition of HLH has been increasing over the past decade. HLH can present with features of sepsis that can make the diagnosis challenging and requires high clinical suspicion. CASE REPORT We report a case of a 48-year-old African American male with a past medical history of

COVID-19 and Cancer Comorbidity: Therapeutic Opportunities and Challenges.

The coronavirus disease 2019 (COVID-19) is a viral disease caused by a novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that affects the respiratory system of infected individuals. COVID-19 spreads between humans through respiratory droplets produced when an infected person coughs or sneezes. The COVID-19 outbreak originated in Wuhan, China at the end of 2019. As of 29 Sept 2020, over 235 countries, areas or territories across the globe reported a total of 33,441,919 confirmed cases, and 1,003,497 confirmed deaths due to COVID-19. Individuals of all ages are at risk for infec

High-Affinity DARPin Allows Targeting of MeV to Glioblastoma Multiforme in Combination with Protease Targeting without Loss of Potency.

Measles virus (MeV) is naturally cytolytic by extensive cell-to-cell fusion. Vaccine-derived MeV is toxic for cancer cells and is clinically tested as oncolytic virus. To combine the potential of MeV with enhanced safety, different targeting strategies have been described. We generated a receptor-targeted MeV by using receptor-blind viral attachment protein genetically fused to designed ankyrin repeat protein (DARPin) binding domains specific for the epidermal growth factor receptor (EGFR). To reduce on-target toxicity for EGFR+ healthy cells, we used an engineered viral fusion protein activat

Beyond Vaccines: Clinical Status of Prospective COVID-19 Therapeutics.

Since November 2019 the SARS-CoV-2 pandemic has caused nearly 200 million infection and more than 4 million deaths globally (Updated information from the World Health Organization, as on 2nd Aug 2021). Within only one year into the pandemic, several vaccines were designed and reached approval for the immunization of the world population. The remarkable protective effects of the manufactured vaccines are demonstrated in countries with high vaccination rates, such as Israel and UK. However, limited production capacities, poor distribution infrastructures and political hesitations still hamper th

The use of RNA-based treatments in the field of cancer immunotherapy.

Over the past several decades, mRNA vaccines have evolved from a theoretical concept to a clinical reality. These vaccines offer several advantages over traditional vaccine techniques, including their high potency, rapid development, low-cost manufacturing, and safe administration. However, until recently, concerns over the instability and inefficient distribution of mRNA in vivo have limited their utility. Fortunately, recent technological advancements have mostly resolved these concerns, resulting in the development of numerous mRNA vaccination platforms for infectious diseases and various t

High-Dose Intravenous Immunoglobulins in the Treatment of Severe Acute Viral Pneumonia: The Known Mechanisms and Clinical Effects.

The current outbreak of viral pneumonia, caused by novel coronavirus SARS-CoV-2, is the focus of worldwide attention. The WHO declared the COVID-19 outbreak a pandemic event on Mar 12, 2020, and the number of confirmed cases is still on the rise worldwide. While most infected individuals only experience mild symptoms or may even be asymptomatic, some patients rapidly progress to severe acute respiratory failure with substantial mortality, making it imperative to develop an efficient treatment for severe SARS-CoV-2 pneumonia alongside supportive care. So far, the optimal treatment strategy for

COVID-19 Therapeutic Options Under Investigation.

Since its emergence in China in December 2019, COVID-19 has quickly spread around the globe causing a pandemic. Vaccination or the development of herd immunity seems the only way to slow down the spread of the virus; however, both are not achievable in the near future. Therefore, effective treatments to mitigate the burden of this pandemic and reduce mortality rates are urgently needed. Preclinical and clinical studies of potential antiviral and immunomodulatory compounds and molecules to identify safe and efficacious therapeutics for COVID-19 are ongoing. Two compounds, remdesivir, and dexame

Quantitative metagenomics reveals unique gut microbiome biomarkers in ankylosing spondylitis.

BACKGROUND: The assessment and characterization of the gut microbiome has become a focus of research in the area of human autoimmune diseases. Ankylosing spondylitis is an inflammatory autoimmune disease and evidence showed that ankylosing spondylitis may be a microbiome-driven disease. RESULTS: To investigate the relationship between the gut microbiome and ankylosing spondylitis, a quantitative metagenomics study based on deep shotgun sequencing was performed, using gut microbial DNA from 211 Chinese individuals. A total of 23,709 genes and 12 metagenomic species were shown to be differentia

Молекулярная основа для человеческой митохондриальной модификации tRNA m3C с помощью альтернативной разбрызгивания METTL8.

METTL8 недавно был определен как катализатор метилпереносазы 3-methylcytidine Биогенез на месте 32 (м3С32) митохондриальных tRNA. METTL8 также потенциально участвует в мRNA метилации и R-loop Biogenesis. Как METTL8 играет многообразную роль в разных камерах, и митохондриальное образование митохондриала tRNA m3C остается неясным. Здесь мы обнаружили, что альтернативное скрещивание mRNA вызвало несколько изоформ METTL8. One (изоформ)METTL8-Iso1) был направлен на митохондрию через N-терминальную предпоследнюю последовательность, в то время как другой one (В тыс.METTL8-Iso4) в основном локализован

Triple-Negative Breast Cancer: Basic Biology and Immuno-Oncolytic Viruses.

Triple-negative breast cancer (TNBC) is the most lethal subtype of breast cancer. TNBC diagnoses account for approximately one-fifth of all breast cancer cases globally. The lack of receptors for estrogen, progesterone, and human epidermal growth factor 2 (HER-2, CD340) results in a lack of available molecular-based therapeutics. This increases the difficulty of treatment and leaves more traditional as well as toxic therapies as the only available standards of care in many cases. Recurrence is an additional serious problem, contributing substantially to its higher mortality rate as compared to

Совпадение в полном тексте источника
… This chimeric virus, CF189, was created using a coinfection of cow kidney epithelial cells with orf virus strain NZ2 and the TJS strain of pseudocowpox virus [ 74 ]. CF189 caused lytic infection in numerous TNBC cell lines in vitro. …

Coronavirus Disease (COVID-19) Control between Drug Repurposing and Vaccination: A Comprehensive Overview.

Respiratory viruses represent a major public health concern, as they are highly mutated, resulting in new strains emerging with high pathogenicity. Currently, the world is suffering from the newly evolving severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). This virus is the cause of coronavirus disease 2019 (COVID-19), a mild-to-severe respiratory tract infection with frequent ability to give rise to fatal pneumonia in humans. The overwhelming outbreak of SARS-CoV-2 continues to unfold all over the world, urging scientists to put an end to this global pandemic through biological and

Pharmacological treatments of COVID-19.

The viral infection due to the new coronavirus or coronavirus disease 2019 (COVID-19), which was reported for the first time in December 2019, was named by the World Health Organization (WHO) as Severe Acute Respiratory Syndrome-Coronavirus-2 (SARS-CoV2), because of the very similar genome and also its related symptoms to SARS-CoV1. The ongoing COVID-19 pandemic with significant mortality, morbidity, and socioeconomic impact is considered by the WHO as a global public health emergency. Since there is no specific treatment available for SARS-CoV2 infection, and or COVID-19, several clinical and

Sp140L функционирует как фактор ограничения герпесвируса, подавляющий вирусную транскрипцию и активирующий интерферонально-стимулированные гены.

Герпесвирусы, включая вирус Эпштейн-Барр (ЭБВ), - человеческий онкогенный вирус и важнейший пусковой механизм множественного склероза, - должны обходить механизмы ДНК-разведки, чтобы установить пожизненную скрытую инфекцию. Поэтому герпесвирусы кодируют вирусные белки, чтобы разрушить ключевые факторы, связанные с зондированием ДНК и вирусным ограничением. Первый вирусный белок латентности, выраженный EBNA-LP, крайне важен для преобразования наивных клеток B и установления вирусного генного экспрессии, однако его роль в уклонении от защиты хостов остается неясной. Используя одноклеточную после