7,532,427 results match your criteria protein nucleus


Physiological and pathological functions of βB2-crystallins in multiple organs: a systematic review.

Aging (Albany NY) 2021 Jun 11;13. Epub 2021 Jun 11.

Department of Obstetrics and Gynecology, Changhai Hospital, Naval Military Medical University, Yangpu, Shanghai 200433, China.

Crystallins, the major constituent proteins of mammalian lenses, are significant not only for the maintenance of eye lens stability, transparency, and refraction, but also fulfill various physiopathological functions in extraocular tissues. βB2-crystallin, for example, is a multifunctional protein expressed in the human retina, brain, testis, ovary, and multiple tumors. Mutations in the βB2 crystallin gene or denaturation of βB2-crystallin protein are associated with cataracts, ocular pathologies, and psychiatric disorders. Read More

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Melatonin protects against focal cerebral ischemia-reperfusion injury in diabetic mice by ameliorating mitochondrial impairments: involvement of the Akt-SIRT3-SOD2 signaling pathway.

Aging (Albany NY) 2021 Jun 11;13. Epub 2021 Jun 11.

Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China.

Diabetic patients are more vulnerable to cerebral ischemia-reperfusion (CIR) injury and have a worse prognosis and higher mortality after ischemic stroke than non-diabetic counterparts. Melatonin can exert neuroprotective effects against CIR injury in nondiabetic animal models. However, its effects on diabetic CIR injury and the underlying mechanisms remain unclarified. Read More

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Characteristics and outcomes of cancer patients with covid-19 at a safety-net hospital.

Cancer Treat Res Commun 2021 Jun 9;28:100418. Epub 2021 Jun 9.

Department of Hematology and Oncology, Capital Health Regional Medical Center, Trenton, NJ, United States.

Patients with cancer are a vulnerable population during the COVID-19 pandemic due to underlying immunosuppression, pre-existing comorbidities, and poor nutrition. There is a lack of data describing the disease course of cancer patients with COVID-19 disease. Therefore, we analyzed data from cancer patients with COVID-19 who were admitted to our hospital. Read More

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Seasonal variation in oestrogenic potency and biological effects of wastewater treatment works effluents assessed using ERE-GFP transgenic zebrafish embryo-larvae.

Aquat Toxicol 2021 May 19;237:105864. Epub 2021 May 19.

Biosciences, College of Life and Environmental Sciences, University of Exeter, Exeter, United Kingdom. Electronic address:

Effluents from wastewater treatment works (WwTW) exhibit both temporal and spatial variation in oestrogenicity, however few studies have attempted to quantify how this variation affects biological responses in fish. Here we used an oestrogen-responsive green fluorescent protein (ERE-GFP) transgenic zebrafish (Danio rerio) to quantify oestrogenic activity and health effects for exposure to three different WwTW effluents. Endpoints measured included survival/hatching rate, GFP induction (measured in target tissues or gfp mRNA induction in whole embryos) and vtg mRNA induction in whole embryos. Read More

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Clinical benefits of precision medicine in treating solid cancers: European Society of Medical Oncology-Magnitude of Clinical Benefit Scale score-based analysis.

ESMO Open 2021 Jun 9;6(4):100187. Epub 2021 Jun 9.

Department of Experimental Therapeutics, National Cancer Center Hospital, Tokyo, Japan; Department of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital, Tokyo, Japan; Outpatient Treatment Center, National Cancer Center Hospital, Tokyo, Japan. Electronic address:

Background: Precision and matched cancer medicine has the potential to complement the existing biomarker approaches in cancer treatment. However, despite their promising potential, certain negative results have highlighted their limitations in molecular biology-driven treatment strategies. This study aimed to evaluate the clinical benefits of precision therapies. Read More

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Affecting RNA biology genome-wide by binding small molecules and chemically induced proximity.

Curr Opin Chem Biol 2021 Jun 9;62:119-129. Epub 2021 Jun 9.

Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL 33458 USA. Electronic address:

The ENCODE and genome-wide association projects have shown that much of the genome is transcribed into RNA and much less is translated into protein. These and other functional studies suggest that the druggable transcriptome is much larger than the druggable proteome. This review highlights approaches to define druggable RNA targets and structure-activity relationships across genomic RNA. Read More

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Carvacrol, citral and α-terpineol essential oil incorporated biodegradable films for functional active packaging of Pacific white shrimp.

Food Chem 2021 May 30;363:130252. Epub 2021 May 30.

Department of Packaging and Materials Technology, Faculty of Agro-Industry, Kasetsart University, 50 Ngam Wong Wan Rd., Latyao, Chatuchak, Bangkok 10900, Thailand; Center for Advanced Studies for Agriculture and Food, Kasetsart University, 50 Ngam Wong Wan Rd., Latyao, Chatuchak, Bangkok 10900, Thailand. Electronic address:

Biodegradable poly(butylene adipate terephthalate) and poly(lactic acid) (PBAT/PLA) blend films compounded with carvacrol, citral and α-terpineol essential oils (EOs) were produced for food packaging via blown-film extrusion. PBAT/PLA interacted with citral and α-terpineol via hydrogen bonding and carbonyl groups. Microstructures and barrier properties against water vapor and oxygen were modified depending on types and concentrations (3% and 6%) of EOs. Read More

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MicroRNA-383-5p regulates osteogenic differentiation of human periodontal ligament stem cells by targeting histone deacetylase 9.

Authors:
Lan Ma Di Wu

Arch Oral Biol 2021 May 25;129:105166. Epub 2021 May 25.

Department of Stomatology, Jingmen No.1 People's Hospital, China. Electronic address:

Objective: Human periodontal ligament stem cells (hPDLSCs) play an important role in regenerative engineering technology for periodontal therapy. The mechanism of microRNA (miR)-383-5p in osteogenic differentiation needs further exploration. This study aimed at investigating the potential role of miR-383-5p in the osteogenic differentiation of hPDLSCs. Read More

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Zinc oxide nanoparticles alleviates the adverse effects of cadmium stress on Oryza sativa via modulation of the photosynthesis and antioxidant defense system.

Ecotoxicol Environ Saf 2021 Jun 8;220:112401. Epub 2021 Jun 8.

Department of Botany, S.P. College, Srinagar, Jammu and Kashmir, India. Electronic address:

Cadmium (Cd) is a trace element causing severe toxicity symptoms in plants, besides posing hazardous fitness issue due to its buildup in the human body through food chain. Nanoparticles (NPs) are recently employed as a novel strategy to directly ameliorate the Cd stress and acted as nano-fertilizers. The intend of the current study was to explore the effects of zinc oxide nanoparticles (ZnO-NPs; 50 mg/L) on plant growth, photosynthetic activity, elemental status and antioxidant activity in Oryza sativa (rice) under Cd (0. Read More

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Hormonal stress responses of growth hormone and insulin-like growth factor-I in highly resistance trained women and men.

Growth Horm IGF Res 2021 Jun 6;59:101407. Epub 2021 Jun 6.

Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA, USA.

The purpose of this study was to examine the responses of growth hormone (GH) and insulin-like growth factor-I (IGFI) to intense heavy resistance exercise in highly trained men and women to determine what sex-dependent responses may exist. Subjects were highly resistance trained men (N = 8, Mean ± SD; age, yrs., 21 ± 1, height, cm, 175. Read More

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New perspective towards therapeutic regimen against SARS-CoV-2 infection.

J Infect Public Health 2021 May 26;14(7):852-862. Epub 2021 May 26.

Clinical Microbiology and Infectious Diseases, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 2193, South Africa; Infection Control, Charlotte Maxeke Johannesburg Academic Hospital, National Health Laboratory Service, Johannesburg, 2193, South Africa. Electronic address:

The ongoing enormous loss of human life owing to Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2), has led to a global crisis ranging from the collapse of health - care systems to socio-economic instability. As SARS-CoV-2 is a novel virus, very little information is available from researchers and therefore, a rigorous effort is required to decode its pathogenicity. There are no licenced treatment options available for treating SARS-CoV-2 infections and the development of a new antiviral drug targeting coronavirus cannot happen soon. Read More

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Epidemiological feature, viral shedding, and antibody seroconversion among asymptomatic SARS-CoV-2 carriers and symptomatic/presymptomatic COVID-19 patients.

J Infect Public Health 2021 May 27;14(7):845-851. Epub 2021 May 27.

Department of Epidemiology, Second Military Medical University, Shanghai 200433, China. Electronic address:

Background: Novel coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is pandemic. However, data concerning the epidemiological features, viral shedding, and antibody dynamics between asymptomatic SARS-CoV-2 carriers and COVID-19 patients remain controversial.

Methods: We enrolled 193 SARS-CoV-2 infected subjects in Ningbo and Zhoushan, Zhejiang, China, from January 21 to March 6, 2020. Read More

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HOXB5 promotes the progression of breast cancer through wnt/beta-catenin pathway.

Pathol Res Pract 2020 Jul 13;224:153117. Epub 2020 Jul 13.

National Clinical Research Center for Normal Aging and Geriatric & The Key Lab of Normal Aging and Geriatric, Institute of Geriatric, PLA General Hospital, Beijing, China. Electronic address:

Objective: The present study was designed to explore the function of HOXB5 in breast cancer and related signaling pathway.

Methods: Breast cancer tissues and non-cancerous tissues were collected from 82 cases who were pathologically diagnosed with breast cancer. The mRNA level of HOXB5 was detected via quantitative real-time polymerase chain reaction (qRT-PCR). Read More

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Improved SARS-CoV-2 M inhibitors based on feline antiviral drug GC376: Structural enhancements, increased solubility, and micellar studies.

Eur J Med Chem 2021 May 30;222:113584. Epub 2021 May 30.

Department of Chemistry, University of Alberta, Edmonton AB, T6G 2G2, Canada. Electronic address:

Replication of SARS-CoV-2, the coronavirus causing COVID-19, requires a main protease (M) to cleave viral proteins. Consequently, M is a target for antiviral agents. We and others previously demonstrated that GC376, a bisulfite prodrug with efficacy as an anti-coronaviral agent in animals, is an effective inhibitor of M in SARS-CoV-2. Read More

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Discovery of novel N-sulfonamide-tetrahydroisoquinolines as potent retinoic acid receptor-related orphan receptor γt agonists.

Eur J Med Chem 2021 Jun 1;222:113585. Epub 2021 Jun 1.

Department of Medicinal Chemistry, School of Pharmacy, Fudan University, No. 826 Zhangheng Road, Shanghai, 201203, China. Electronic address:

Cancer immunotherapy has become a research hotspot in recent years. A variety of targets were developed for small molecule immuno-oncology agents, including retinoic acid-related orphan receptor gamma t (RORγt), chemokine receptor, stimulator of interferon genes (Sting), indoleamine 2,3-dioxygenase (IDO), toll-like receptors (TLR), etc. Among them, the retinoic acid receptor-related orphan receptor γt (RORγt) has gradually attracted more attention in these years. Read More

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Benzofuranyl-2-imidazoles as imidazoline I receptor ligands for Alzheimer's disease.

Eur J Med Chem 2021 May 20;222:113540. Epub 2021 May 20.

Laboratory of Medicinal Chemistry (Associated Unit to CSIC), Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, Institute of Biomedicine (IBUB), University of Barcelona, Av. Joan XXIII, 27-31, E-08028, Barcelona, Spain. Electronic address:

Recent findings unveil the pharmacological modulation of imidazoline I receptors (I-IR) as a novel strategy to face unmet medical neurodegenerative diseases. In this work, we report the chemical characterization, three-dimensional quantitative structure-activity relationship (3D-QSAR) and ADMET in silico of a family of benzofuranyl-2-imidazoles that exhibit affinity against human brain I-IR and most of them have been predicted to be brain permeable. Acute treatment in mice with 2-(2-benzofuranyl)-2-imidazole, known as LSL60101 (garsevil), showed non-warning properties in the ADMET studies and an optimal pharmacokinetic profile. Read More

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Design, synthesis, and biological evaluation of furosemide analogs as therapeutics for the proteopathy and immunopathy of Alzheimer's disease.

Eur J Med Chem 2021 Jun 2;222:113565. Epub 2021 Jun 2.

Krembil Research Institute, University Health Network, Toronto, Canada; Faculty of Pharmacy, University of Toronto, Ontario, Canada; Faculty of Medicine, University of Toronto, Ontario, Canada; Department of Chemistry, University of Toronto, Ontario, Canada. Electronic address:

β-Amyloid (Aβ) triggered proteopathic and immunopathic processes are a postulated cause of Alzheimer's disease (AD). Monomeric Aβ is derived from amyloid precursor protein, whereupon it aggregates into various assemblies, including oligomers and fibrils, which disrupt neuronal membrane integrity and induce cellular damage. Aβ is directly neurotoxic/synaptotoxic, but may also induce neuroinflammation through the concomitant activation of microglia. Read More

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High throughput proteomic and metabolic profiling identified target correction of metabolic abnormalities as a novel therapeutic approach in head and neck paraganglioma.

Transl Oncol 2021 Jun 9;14(8):101146. Epub 2021 Jun 9.

Department of Otolaryngology Head & Neck Surgery, The Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, No. 639, Zhi-Zao-Ju Road, Shanghai 200011, China; Ear Institute, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Shanghai Key Laboratory of Translational Medicine on Ear and Nose Diseases, Shanghai, China. Electronic address:

Head and neck paragangliomas (HNPGLs) are rare neoplasms that represent difficult treatment paradigms in neurotology. Germline mutations in genes encoding succinate dehydrogenase (SDH) are the cause of nearly all familial HNPGLs. However, the molecular mechanisms underlying tumorigenesis remain unclear. Read More

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In vitro tetraploidy induction creates enhancements in morphological, physiological and phytochemical characteristics in the fig tree (Ficus Carica L.).

Plant Physiol Biochem 2021 Jun 1;166:191-202. Epub 2021 Jun 1.

Department of Horticultural Science, College of Agriculture, Shiraz University, Shiraz, P.O. Box 65186-71441, Iran. Electronic address:

Fig tree (Ficus carica L.) is a precious fruit tree in semi-arid and arid areas worldwide which has difficulties in its conventional breeding programs. This study was carried out to make new genotypes with superior features based on the ploidy induction method. Read More

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Investigating the potential of Sentinel-2 configuration to predict the quality of Mediterranean permanent grasslands in open woodlands.

Sci Total Environ 2021 May 29;791:148101. Epub 2021 May 29.

Department of Forest Engineering, ETSIAM, University of Cordoba, Ctra. Madrid, Km 396, 14071 Córdoba, Spain. Electronic address:

The assessment of pasture quality in permanent grasslands is essential for their conservation and management, as it can contribute to making real-time decisions for livestock management. In this study, we assessed the potential of Sentinel-2 configuration to predict forage quality in high diverse Mediterranean permanent grasslands of open woodlands. We evaluated the performance of Partial Least Squares Regression (PLS) models to predict crude protein (CP), neutral detergent fibre (NDF), acid detergent fibre (ADF) and enzyme digestibility of organic matter (EDOM) by using three different reflectance datasets: (i) laboratory measurements of reflectance of dry and ground pasture samples re-sampled to Sentinel-2 configuration (Spec-lab) (ii) field in-situ measurements of grasslands canopy reflectance resampled to Sentinel-2 configuration (Spec-field); (iii) and Bottom Of Atmosphere Sentinel-2 imagery. Read More

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Orally administered nano-polystyrene caused vitellogenin alteration and oxidative stress in the red swamp crayfish (Procambarus clarkii).

Sci Total Environ 2021 May 29;791:147984. Epub 2021 May 29.

Dept. Life Sciences, University of Trieste, via L. Giorgieri 5, 34127 Trieste, Italy. Electronic address:

Nanoplastics (≤100 nm) represent the smallest fraction of plastic litter and may result in the aquatic environment as degradation products of larger plastic material. To date, few studies focused on the interactions of micro- and nanoplastics with freshwater Decapoda. The red swamp crayfish (Procambarus clarkii, Girard, 1852) is an invasive species able to tolerate highly perturbed environments. Read More

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Expression of angiogenesis-related proteins in bone marrow mesenchymal stem cells induced by osteoprotegerin during osteogenic differentiation in rats.

Authors:
Wei Wang Bo Wang

Int Immunopharmacol 2021 Jun 9;98:107821. Epub 2021 Jun 9.

Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China. Electronic address:

This study aimed to discuss the expression of angiogenesis-related proteins in bone marrow mesenchymal stem cells (BMSCs) induced by osteoprotegerin (OGP) during osteogenic differentiation in rats, and to analyze the effect of fracture healing inflammatory factor TNF-ɑ on the osteogenic differentiation of BMSCs of rats. BMSCs isolated and cultured from the third generation rats were taken as the research object. According to the addition amount of OGP, BMSCs were divided into control group, OGP (10 mol/L) group, OGP (10 mol/L) group, and OGP (10 mol/L) group. Read More

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Differential lncRNA expression profiling of cognitive function in middle and old aged monozygotic twins using generalized association analysis.

J Psychiatr Res 2021 Jun 2;140:197-204. Epub 2021 Jun 2.

Unit of Epidemiology, Biostatistics and Biodemography, Department of Public Health, University of Southern Denmark, Denmark; Unit of Human Genetics, Department of Clinical Research, University of Southern Denmark, Denmark. Electronic address:

Cognitive impairment is the most prominent symptom in neurodegenerative disorders affecting quality of life and mortality. However, despite years of research, the molecular mechanism underlying the regulation of cognitive function and its impairment is poorly understood. This study aims to elucidate the role of long non-coding RNAs (lncRNAs) expression and lncRNA-mRNA interaction networks, by analyzing lncRNA expression in whole blood samples of 400 middle and old aged monozygotic twins in association with cognitive function using both linear models and a generalized correlation coefficient (GCC) to capture the diverse patterns of correlation. Read More

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The physiological role of guanidinoacetic acid and its relationship with arginine in broiler chickens.

Poult Sci 2021 Apr 20;100(7):101203. Epub 2021 Apr 20.

Alzchem Trostberg GmbH, Dr.-Albert-Frank-Straße 32, 83308 Trostberg, Germany.

The role of guanidinoacetic acid (GAA) and its relationship with arginine was reviewed in order to define a replacement ratio between GAA and arginine for broiler diet formulation, the ratio being of how much arginine could be spared, or replaced by GAA. Guanidionoacetic acid, the precursor of creatine, can be synthesized de novo from the amino acids arginine and glycine, whereby 1 mol of arginine creates 1 mol of GAA; that is a weight:weight (w:w) ratio of 1.49:1 (arginine:GAA). Read More

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PLAC1 affects cell to cell communication by interacting with the desmosome complex.

Placenta 2021 Jun 6;110:39-45. Epub 2021 Jun 6.

Laboratory of Genetics and Genomics, National Institute on Aging, Baltimore, MD, 21224, USA. Electronic address:

Introduction: X-linked PLAC1 is highly expressed in placenta during embryogenesis, and when ablated in mice, causes aberrant placental cell layer organization. It is also highly expressed in many types of cancer cell-lines. Although it has been shown that it promotes AKT phosphorylation in cancer cells, the exact mechanism by which it influences placental layer differentiation is unclear. Read More

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The effect of Raphanus sativus L. seeds on regulation of intestinal motility in rats consuming a high-calorie diet.

Biomed Pharmacother 2021 Jun 9;140:111705. Epub 2021 Jun 9.

School of Basic Medical Science, Beijing University of Chinese Medicine, Beijing, PR China. Electronic address:

Purpose: The purpose of this study was to explore the effects of a short-term high-calorie diet and the regulation mechanism of Raphanus sativus L. seeds (RSL seeds) on the intestinal motility of young rats.

Methods: We fed 20 Specific Pathogen Free (SPF) 4-week-old male Sprague-Dawley (SD) rats special high-calorie diet for 3 days and then randomized them to a high-calorie diet group (HCG, 10 rats) and an RSL seeds treatment group (TG, 10 rats). Read More

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Apolipoprotein A-I mimetic peptide inhibits atherosclerosis by increasing tetrahydrobiopterin via regulation of GTP-cyclohydrolase 1 and reducing uncoupled endothelial nitric oxide synthase activity.

Atherosclerosis 2021 May 31;328:83-91. Epub 2021 May 31.

Division of Cardiac Surgery, Heart Center, The First Affiliated Hospital, Sun Yat-sen University, PR China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, PR China; NHC Key Laboratory of Assisted Circulation, Sun Yat-sen University, PR China; Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, PR China; Guangdong Provincial Key Laboratory of Brain Function and Disease,Guangzhou, 510080, PR China. Electronic address:

Background And Aims: The apolipoprotein A-I mimetic peptide D-4F, among its anti-atherosclerotic effects, improves vasodilation through mechanisms not fully elucidated yet.

Methods: Low-density lipoprotein (LDL) receptor null (LDLr) mice were fed Western diet with or without D-4F. We then measured atherosclerotic lesion formation, endothelial nitric oxide synthase (eNOS) phosphorylation and its association with heat shock protein 90 (HSP90), nitric oxide (NO) and superoxide anion (O) production, and tetrahydrobiopterin (BH4) and GTP-cyclohydrolase 1 (GCH-1) concentration in the aorta. Read More

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HIF-1α-activated TM4SF1-AS1 promotes the proliferation, migration, and invasion of hepatocellular carcinoma cells by enhancing TM4SF1 expression.

Biochem Biophys Res Commun 2021 Jun 9;566:80-86. Epub 2021 Jun 9.

The Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, 310014, China. Electronic address:

Long non-coding RNAs (lncRNAs) are essential drivers or suppressors in human hepatocellular carcinoma (HCC) by participating in controlling transcription, translation, mRNA stability, and protein degradation protein-protein interaction. TM4SF1-AS1 is recently identified as a tumor-promoting factor in lung cancer. Nevertheless, its function in HCC and related molecular mechanisms remain unknown. Read More

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β3-Endonexin interacts with ninein in vascular endothelial cells to promote angiogenesis.

Biochem Biophys Res Commun 2021 Jun 9;566:75-79. Epub 2021 Jun 9.

School of Environmental and Chemical Engineering, Shanghai University, Shanghai, China; School of Life Sciences, Shanghai University, Shanghai, China; Versiti Blood Research Institute, Milwaukee, WI, USA; Department of Biochemistry, Medical College of Milwaukee, Wisconsin, USA. Electronic address:

Anti-angiogenesis serves as an effective tumor therapy approach. In a previous study, we found that β3-endonexin expressed in vascular endothelial cells was involved in promoting proliferation and angiogenesis partially by facilitating VEGF expression. However, it still remains unclear if β3-endonexin in vascular endothelial cells also employs other mechanisms in regulating angiogenesis. Read More

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MiR-486-3p promotes osteogenic differentiation of BMSC by targeting CTNNBIP1 and activating the Wnt/β-catenin pathway.

Biochem Biophys Res Commun 2021 Jun 8;566:59-66. Epub 2021 Jun 8.

Department of Orthopedics, Changzheng Hospital, Second Military Medical University, 415 Fengyang Road, Shanghai, 200003, PR China. Electronic address:

Background: Dysfunction in the osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) leads to bone loss/osteoporosis. The catenin beta interacting protein 1 (CTNNBIP1) is an inhibitor of Wnt/β-catenin signaling, whose role in osteogenesis remains elusive. This study aimed to reveal the effects of miR-486-3p/CTNNBIP1 in osteogenesis. Read More

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