434,094 results match your criteria apoptosis cell

Lymphocyte soluble factors from pregnant cows modulate mRNA transcript abundances encoding for proteins associated with trophoblast growth and development.

Anim Reprod Sci 2021 Mar 27;228:106747. Epub 2021 Mar 27.

Department of Animal, Dairy and Veterinary Sciences, Utah State University, Logan, UT, USA; School of Veterinary Medicine, Utah State University, Logan, UT, USA. Electronic address:

This study was conducted to determine whether T cell populations are responsible for modulating placental development during gestation in cattle. It was hypothesized that CD4+CD25+ and γ/δ+ T cells modulate gene expression, based on mRNA transcript abundances, and promote proliferation and survival of trophoblast cells. Peripheral blood was collected from cows at 160 to 180 days of gestation and non-pregnant cows, T cell populations CD8+, CD4+, CD4+CD25+, CD24+CD25-, and γ/δ+ T cells were isolated, cultured for 48 h, and supernatant was collected. Read More

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Design, synthesis and biological evaluation of anilide (dicarboxylic acid) shikonin esters as antitumor agents through targeting PI3K/Akt/mTOR signaling pathway.

Bioorg Chem 2021 Mar 29;111:104872. Epub 2021 Mar 29.

State Key Laboratory of Pharmaceutical Biotechnology, Institute of Plant Molecular Biology, School of Life Sciences, Nanjing University, Nanjing 210023, China; Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China. Electronic address:

Triple-negative breast cancer (TNBC) has an unfavorable prognosis attribute to its low differentiation, rapid proliferation and high distant metastasis rate. PI3K/Akt/mTOR as an intracellular signaling pathway plays a key role in the cell proliferation, migration, invasion, metabolism and regeneration. In this work, we designed and synthesized a series of anilide (dicarboxylic acid) shikonin esters targeting PI3K/Akt/mTOR signaling pathway, and assessed their antitumor effects. Read More

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AFB-induced mice liver injury involves mitochondrial dysfunction mediated by mitochondrial biogenesis inhibition.

Ecotoxicol Environ Saf 2021 Apr 7;216:112213. Epub 2021 Apr 7.

Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China.

Aflatoxin B1 (AFB) pollutes foodstuffs and feeds, causing a food safety problem and seriously endangering human and animal health. Liver is the principal organ for AFB accumulation and biotransformation, during which AFB can cause acute and chronic liver damage, however, the specific mechanism is not completely clear. Mitochondria are the primary organelle of cellular bio-oxidation, providing 95% energy for liver to execute its multiple functions. Read More

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High-Fat Diet Drives an Aggressive Pancreatic Cancer Phenotype.

J Surg Res 2021 Apr 7;264:163-172. Epub 2021 Apr 7.

Department of Surgery, Charleston, South Carolina; Department of Hollings Cancer Center, Charleston, South Carolina; Department of Ralph H. Johnson VA Medical Center, Medical University of South Carolina, Charleston, South Carolina. Electronic address:

Background: Emerging evidence indicates associations between high-fat diet (HFD), metabolic syndrome (MetS), and increased risk of pancreatic cancer. However, individual components of an HFD that increase cancer risk have not been isolated. In addition, a specific pattern of cytokine elevation by which MetS drives pancreatic tumor progression is not well described. Read More

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Evaluating the mitochondrial activity and inflammatory state of dimethyl sulfoxide differentiated PLB-985 cells.

Mol Immunol 2021 Apr 7;135:1-11. Epub 2021 Apr 7.

Department of Chemistry and Biochemistry, Université de Moncton, Moncton, NB, Canada; New Brunswick Center for Precision Medicine, Moncton, NB, Canada. Electronic address:

Neutrophils play a key role in the innate immunity with their ability to generate and release inflammatory mediators that promote the inflammatory response and consequently restore the hemostasis. As active participants in several steps of the normal inflammatory response, neutrophils are also involved in chronic inflammatory diseases such as asthma, atherosclerosis, and arthritis. Given their dual role in the modulation of inflammation, regulating the inflammatory response of neutrophils has been suggested as an important therapeutic approach by numerous researchers. Read More

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PM and the typical components cause organelle damage, apoptosis and necrosis: Role of reactive oxygen species.

Sci Total Environ 2021 Mar 27;782:146785. Epub 2021 Mar 27.

Environment Research Institute, Shandong University, Qingdao 266237, China. Electronic address:

In this research, the organelle damage, apoptosis and necrosis induced by PM, BC and Kaolin were studied using human bronchial epithelial (16HBE) cells. PM, BC and Kaolin all induce cell death, LDH release and excess intracellular ROS generation. For the organelle injuries, Kaolin and high-dose PM (240 μg/mL) cause lysosomal acidification, but BC causes lysosomal alkalization (lysosomal membrane permeabilization, LMP). Read More

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Eicosapentaenoic and docosahexaenoic acids attenuate methotrexate-induced apoptosis and suppression of splenic T, B-Lymphocytes and macrophages with modulation of expression of CD3, CD20 and CD68.

Tissue Cell 2021 Mar 23;72:101533. Epub 2021 Mar 23.

Department of Medical Biochemistry, And Mansoura experimental research center, Faculty of Medicine, Mansoura University, 35516, Egypt.

Methotrexate (MTX) is a chemotherapeutic agent used for cancer and autoimmune disorders. MTX may cause multi-organ affections. However, few studies examined MTX-induced splenic suppression and therapeutic modalities against it. Read More

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Mitochondrial calcium signaling in the brain and its modulation by neurotropic viruses.

Mitochondrion 2021 Apr 7. Epub 2021 Apr 7.

Neurovirology Section, National Brain Research Centre, Manesar, Haryana, India. Electronic address:

Calcium (Ca) plays fundamental and diverse roles in brain cells as a second messenger of many signaling pathways. Given the high energy demand in the brain and the generally non-regenerative state of neurons, the role of brain mitochondrial calcium [Ca] in particular, in regulating ATP generation and determination of cell fate by initiation or inhibition of programmed cell death (PCD) becomes critical. Since [Ca] signaling has a central role in brain physiology, it represents an ideal target for viruses to hijack the Ca machinery to favor their own persistence, replication and/or dissemination by modulating cell death. Read More

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Robust antimicrobial photodynamic therapy with Curcumin-Poly (Lactic-co-Glycolic Acid) nanoparticles against COVID-19: A preliminary in vitro study in Vero cell line as a model.

Photodiagnosis Photodyn Ther 2021 Apr 7:102286. Epub 2021 Apr 7.

Department of Medical Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Fellowship in Clinical Laboratory Sciences, Iran University of Medical Sciences, Tehran, Iran. Electronic address:

Background: In this study, the ability of antimicrobial photodynamic therapy (aPDT) as a treatment approach and adjuvant therapy using Curcumin-Poly (Lactic-co-Glycolic Acid) nanoparticles (Cur@PLGA-NPs) to inactivate Coronavirus disease 2019 (COVID-19) in plasma was investigated. Furthermore, to verify whether the quality requirement of aPDT-treated plasma is acceptable, the differences of the levels of clotting factors, total plasma proteins, and anti-A and/or anti-B antibodies titrations in plasma of patient before and after aPDT treatment were investigated.

Materials And Methods: Cur@PLGA-NPs was synthesized using Electrospinning process and characterized by different analysis including Scanning Electron Microscope (SEM), Transmission Electron Microscope (TEM), and Fourier Transform Infrared (FTIR) spectroscopy assays. Read More

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Role of dietary modifications in the management of type 2 diabetic complications.

Pharmacol Res 2021 Apr 7:105602. Epub 2021 Apr 7.

Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM's NMIMS, V.L. Mehta Road, Vile Parle (W), Mumbai 400056, India. Electronic address:

Diabetes is a chronic metabolic disorder with a high rate of morbidity and mortality. Insufficient insulin secretion and insulin action are two major causes for the development of diabetes, which is characterized by a persistent increase in blood glucose level. Diet and sedentary life style play pivotal role in development of vascular complications in type 2 diabetes. Read More

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Suppression of apoptosis in vascular endothelial cell, the promising way for natural medicines to treat atherosclerosis.

Pharmacol Res 2021 Apr 7:105599. Epub 2021 Apr 7.

School of Pharmacy, Chengdu University of Traditional Chinese Medicine, No. 1166, Liutai Avenue, Chengdu 611137, P.R. China. Electronic address:

Atherosclerosis, a chronic multifactorial disease, is closely related to the development of cardiovascular diseases and is one of the predominant causes of death worldwide. Normal vascular endothelial cells play an important role in maintaining vascular homeostasis and inhibiting atherosclerosis by regulating vascular tension, preventing thrombosis and regulating inflammation. Currently, accumulating evidence has revealed that endothelial cell apoptosis is the first step of atherosclerosis. Read More

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Epac1 signaling pathway mediates the damage and apoptosis of inner ear hair cells after noise exposure in a rat model.

Neuroscience 2021 Apr 7. Epub 2021 Apr 7.

Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of USTC, Hefei, 230001, China. Electronic address:

To investigate the role of the exchange protein directly activated by cAMP (Epac) signaling pathway in inner ear hair cell damage and apoptosis after noise exposure, we analyzed the expression level of Epac1 in a rat model of noise-induced hearing loss (NIHL), based on rat exposure to a 4-kHz and 106-dB sound pressure level (SPL) for 8 h. Loss of outer hair cells (OHCs), mitochondrial lesions, and hearing loss were examined after treatment with the Epac agonist, 8-CPT, or the Epac inhibitor, ESI-09. The effects of 8-CPT and ESI-09 on cell proliferation and apoptosis were examined by CCK-8 assays, holographic microscopy imaging, and Annexin-V FITC/PI staining in HEI-OC1 cells. Read More

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A novel role of claudin-5 in prevention of mitochondrial fission against ischemic/hypoxic stress in cardiomyocytes.

Can J Cardiol 2021 Apr 7. Epub 2021 Apr 7.

Division of Cardiology, Department of Medicine, School of Medicine, University of California Irvine, Irvine, CA 92697, USA. Electronic address:

Background: Downregulation of claudin-5 in the heart is associated with the end-stage heart failure. However, the underlying mechanism of claudin-5 is unclear. Here we investigated the molecular actions of claudin-5 in perspective of mitochondria in cardiomyocytes to better understand the role of claudin-5 in cardioprotection during ischemia. Read More

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Crystal structure of BRP39, a signaling glycoprotein expressed during mammary gland apoptosis at 2.6 Å resolution.

J Struct Biol 2021 Apr 7:107737. Epub 2021 Apr 7.

Department of Chemistry, University of California Davis, Davis, California, 95616, United States; Department of Molecular and Cellular Biology, University of California Davis, Davis, California, 95616, United States.

Breast regression protein 39 (BRP39) is a 39 kDa protein that is a member of chitolectin class of glycosyl hydrolase family 18 (GH18). High expression levels of BRP39 have been detected in breast carcinoma. It helps in proliferation of cells during the progression of this disease and may act as a signaling factor. Read More

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MiR-3663-3p participates in the anti-hepatocellular carcinoma proliferation activity of baicalein by targeting SH3GL1 and negatively regulating EGFR/ERK/NF-κB signaling.

Toxicol Appl Pharmacol 2021 Apr 7:115522. Epub 2021 Apr 7.

National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China; Shaanxi Provincial Clinical Research Center for Hepatic & Splenic Diseases, Xi'an, Shaanxi 710004, China; Center for Tumor and Immunology, the Precision Medical Institute, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China. Electronic address:

Baicalein is a purified flavonoid that exhibits anticancer effects in hepatocellular carcinoma (HCC). However, its underlying molecular mechanisms remain largely unclear. In this study, we found that baicalein inhibited HCC cell growth, induced apoptosis, and blocked cell cycle arrest at the S phase in vitro, as well as reduced HCC tumor volume and weight in vivo. Read More

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Isorhynchophylline ameliorates paraquat-induced acute kidney injury by attenuating oxidative stress and mitochondrial damage via regulating toll-interacting expression.

Toxicol Appl Pharmacol 2021 Apr 7:115521. Epub 2021 Apr 7.

Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning Province, China. Electronic address:

Isorhynchophylline (IRN) is an alkaloid with anti-inflammatory and anti-oxidative activities in cardiovascular and brain diseases, but its role in paraquat (PQ)-induced acute kidney injury (AKI) is yet unknown. The model of PQ-induced AKI in rats was established by intraperitoneal injection of PQ (25 mg/kg). We found that the tail vein injection of IRN (4 mg/kg) significantly increased the survival rate of PQ-intoxicated rats. Read More

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The Effects of Human Dermal-derived Mesenchymal Stem Cells on the Keratinocyte Proliferation and Apoptosis in Psoriasis.

Exp Dermatol 2021 Apr 10. Epub 2021 Apr 10.

Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, No.5, east third lane, Jiefang Road, Taiyuan, 030009, Shanxi Province, China.

Psoriasis is a common chronic inflammatory skin disease, characterized by epidermal hyperproliferation. Mesenchymal stem cells (MSCs) regulate inflammation and vascular proliferation in the psoriasis lesions. Whether dermal-derived mesenchymal stem cells (DMSCs), the main MSCs in the dermis regulate keratinocyte proliferation and apoptosis remains unknown. Read More

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HDL: Fact, fiction, or function? HDL cholesterol and cardiovascular risk.

Eur J Prev Cardiol 2021 Apr;28(2):166-173

Division of Cardiology, Emory University School of Medicine, USA.

The measurement of high-density lipoprotein cholesterol is highly utilized by clinicians to help predict cardiovascular risk, but this measure is not causally associated with atherosclerotic cardiovascular disease events. The use of Mendelian randomization studies has led to a change in investigative attention from the high-density lipoprotein cholesterol concentration to its physiological functions. High-density lipoprotein plays key roles in important pathways related to the development of atherosclerotic disease including reverse cholesterol transport, oxidation and inflammation, and endothelial function as well as in other physiological systems including immune system modulation, cellular apoptosis, and endothelial progenitor cell homeostasis. Read More

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miR-140-3p inhibits colorectal cancer progression and its liver metastasis by targeting BCL9 and BCL2.

Cancer Med 2021 Apr 10. Epub 2021 Apr 10.

Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, People's Republic of China.

Recent studies have identified microRNAs (miRNAs) as a compelling novel class of biomarker in colorectal cancer (CRC) development and metastasis. Here, we demonstrated that the level of plasma exosomal miR-140-3p in CRC patients was lower than that in healthy controls. The decreased miR-140-3p level was also observed in CRC patients with liver metastasis. Read More

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Oxygen-sufficient lipid nanobubbles combined with UTMD for enhanced sonodynamic therapy of Hep-G2 cells.

J Biomed Mater Res B Appl Biomater 2021 Apr 10. Epub 2021 Apr 10.

Department of Ultrasound, Harbin Medical University Cancer Hospital, Harbin, China.

Sonodynamic therapy (SDT) is an emerging noninvasive therapeutic approach, which could penetrate deep-seated tissues and activate sonosensitizer to produce cytotoxic reactive oxygen species (ROS). Nevertheless, the hypoxic tumor microenvironment significantly limits the efficiency of SDT due to its oxygen-consumption treatment principle. To break hypoxia-induced resistance and improve the efficacy of SDT, we developed shell-core structured oxygen-sufficient nanobubbles(NBs), which were designed with a lipid shell loaded the sonosensitizer IR780 and a gas core loaded with oxygen. Read More

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Bacopasaponins with cytotoxic activity against human breast cancer cells in vitro.

Mol Biol Rep 2021 Apr 10. Epub 2021 Apr 10.

Department of Zoology, Visva-Bharati, Santiniketan, West Bengal, 731235, India.

Globally, breast cancer is a serious concern that exhibits a persistent rise in its incidence and related mortality even after significant advancement in the field of cancer research. To find an alternative cure for the disease from natural resources we selected Bacopa monniera, a perennial ethnomedicinal plant popularly used for boosting memory and mental health. We isolated four different types of dammarane saponins, namely bacopasaponins C-F (1-4) from the plant and evaluated their toxic effects on two different types of human breast cancer cell lines-a hormone-responsive MCF7 and a triple-negative MDA-MB-231. Read More

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Ruthenium (II)/allopurinol complex inhibits breast cancer progression via multiple targets.

J Biol Inorg Chem 2021 Apr 10. Epub 2021 Apr 10.

Laboratório de Genética Molecular E Citogenética Humana, sala 213, Departamento de Genética, Instituto de Ciências Biológicas I, Campus Samambaia, Universidade Federal de Goiás, Avenida Esperança, s/n, Cx Postal: 131, Goiânia, Goiás, CEP 74690-900, Brazil.

Metal complexes based on ruthenium have established excellent activity with less toxicity and great selectivity for tumor cells. This study aims to assess the anticancer potential of ruthenium(II)/allopurinol complexes called [RuCl(allo)(PPh)] (1) and [RuCl(allo)(dppb)] (2), where allo means allopurinol, PPh is triphenylphosphine and dppb, 1,4-bis(diphenylphosphino)butane. The complexes were synthesized and characterized by elemental analysis, IR, UV-Vis and NMR spectroscopies, cyclic voltammetry, molar conductance measurements, as well as the X-ray crystallographic analysis of complex 2. Read More

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RB1CC1 functions as a tumor-suppressing gene in renal cell carcinoma via suppression of PYK2 activity and disruption of TAZ-mediated PDL1 transcription activation.

Cancer Immunol Immunother 2021 Apr 10. Epub 2021 Apr 10.

Department of Urology, First Affiliated Hospital, University of South China, No. 69, Chuanshan Road, Hengyang, 421001, Hunan Province, People's Republic of China.

Rb1-inducible coiled-coil 1 (RB1CC1) has been demonstrated to function as an inhibitor of proline-rich/Ca-activated tyrosine kinase 2 (PYK2) by binding to the kinase domain of PYK2, which promotes the proliferation, invasion, and migration of renal cell carcinoma (RCC) cells. Additionally, in breast cancer, PYK2 positively regulates the expression of transcriptional co-activator with PDZ-binding motif (TAZ) which in turn can enhance PDL1 levels in breast and lung cancer cells. The current study was performed to decipher the impact of RB1CC1 in the progression of RCC via regulation of the PYK2/TAZ/PDL1 signaling axis. Read More

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Upregulation of ZHX2 predicts poor prognosis and is correlated with immune infiltration in gastric cancer.

FEBS Open Bio 2021 Apr 10. Epub 2021 Apr 10.

Department of Gastrointestinal Surgery, Laboratory Research Center, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China.

The transcriptional repressor Zinc-finger and homeoboxes 2 (ZHX2) is reported to regulate tumor progression in several human cancers, but little is known about its role in gastric cancer (GC). In this study, we examined the expression of ZHX2 and its relationship with clinicopathological characteristics and prognosis of GC patients, and examined the effect of ZHX2 overexpression in GC cell lines. We used UALCAN and Tumor Immune Estimation Resource (TIMER) to examine ZHX2 mRNA expression, and used Kaplan-Meier plotter to determine whether ZHX2 expression was related to GC prognosis. Read More

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Lentinan protects against pancreatic β-cell failure in chronic ethanol consumption-induced diabetic mice via enhancing β-cell antioxidant capacity.

J Cell Mol Med 2021 Apr 9. Epub 2021 Apr 9.

Key Laboratory of Human Functional Genomics of Jiangsu Province, Nanjing Medical University, Nanjing, China.

Chronic ethanol consumption is a well-established independent risk factor for type 2 diabetes mellitus (T2DM). Recently, increasing studies have confirmed that excessive heavy ethanol exerts direct harmful effect on pancreatic β-cell mass and function, which may be a mechanism of pancreatic β-cell failure in T2DM. In this study, we evaluated the effect of Lentinan (LNT), an active ingredient purified from the bodies of Lentinus edodes, on pancreatic β-cell apoptosis and dysfunction caused by ethanol and the possible mechanisms implicated. Read More

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MICOS and the mitochondrial inner membrane morphology - when things get out of shape.

FEBS Lett 2021 Apr 10. Epub 2021 Apr 10.

Department of Cellular Biochemistry, University Medical Center Göttingen, Humboldtallee 23, 37073, Göttingen, Germany.

Mitochondria play a key role in cellular signalling, metabolism and energetics. Proper architecture and remodelling of the inner mitochondrial membrane are essential for efficient respiration, apoptosis and quality control in the cell. Several protein complexes including mitochondrial contact site and cristae organising system (MICOS), F F -ATP synthase, and Optic Atrophy 1 (OPA1), facilitate formation, maintenance and stability of cristae membranes. Read More

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Upregulation of miR-499a-5p Decreases Cerebral Ischemia/Reperfusion Injury by Targeting PDCD4.

Cell Mol Neurobiol 2021 Apr 9. Epub 2021 Apr 9.

Department of Anesthesiology, The 1st Affiliated Hospital, School of Medicine, Zhejiang University, No. 79 Qingchun Road, Hangzhou, 310003, Zhejiang, China.

MiR-499a-5p was significantly downregulated in degenerative tissues and correlated with apoptosis. Nonetheless, the biological function of miR-499a-5p in acute ischemic stroke has been still unclear. In this study, we found that the plasma levels of miR-499a-5p were significantly downregulated in 64 ischemic stroke patients and negatively correlated with the National Institutes of Health Stroke Scale score. Read More

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Exploiting the reactive oxygen species imbalance in high-risk paediatric acute lymphoblastic leukaemia through auranofin.

Br J Cancer 2021 Apr 9. Epub 2021 Apr 9.

Children's Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia.

Background: The prognosis for high-risk childhood acute leukaemias remains dismal and established treatment protocols often cause long-term side effects in survivors. This study aims to identify more effective and safer therapeutics for these patients.

Methods: A high-throughput phenotypic screen of a library of 3707 approved drugs and pharmacologically active compounds was performed to identify compounds with selective cytotoxicity against leukaemia cells followed by further preclinical evaluation in patient-derived xenograft models. Read More

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Depletion of aneuploid cells in human embryos and gastruloids.

Nat Cell Biol 2021 Apr 9;23(4):314-321. Epub 2021 Apr 9.

Laboratory of Stem Cell Biology and Molecular Embryology, The Rockefeller University, New York, NY, USA.

Chromosomal instability leading to aneuploidy is pervasive in early human embryos and is considered as a major cause of infertility and pregnancy wastage. Here we provide several lines of evidence that blastocysts containing aneuploid cells are worthy of in vitro fertilization transfer. First, we show clinically that aneuploid embryos can lead to healthy births, suggesting the presence of an in vivo mechanism to eliminate aneuploidy. Read More

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Small-Molecule Natural Product Physachenolide C Potentiates Immunotherapy Efficacy by Targeting BET Proteins.

Cancer Res 2021 Apr 9. Epub 2021 Apr 9.

Basic Science Program, Frederick National Laboratory for Cancer Research.

Screening for sensitizers of cancer cells to TRAIL-mediated apoptosis identified a natural product (NP) of the 17β-hydroxywithanolide (17-BHW) class, physachenolide C (PCC), as a promising hit. In this study, we show that PCC was also able to sensitize melanoma and renal carcinoma cells to apoptosis in response not only to TRAIL, but also to the synthetic polynucleotide poly I:C, a viral mimetic and immune activator, by reducing levels of anti-apoptotic proteins cFLIP and Livin. Both death receptor and TLR3 signaling elicited subsequent increased assembly of a pro-apoptotic ripoptosome signaling complex. Read More

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