1,158 results match your criteria groups abrogated

Quercetin alleviates cadmium chloride-induced renal damage in rats by suppressing endoplasmic reticulum stress through SIRT1-dependent deacetylation of Xbp-1s and eIF2α.

Biomed Pharmacother 2021 Jul 7;141:111862. Epub 2021 Jul 7.

Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh, Saudi Arabia.

Endoplasmic reticulum (ER) stress plays a key role in cadmium chloride (CdCl2)-induced nephrotoxicity. Sirtuin-1 (SIRT1) is a potent inhibitor of ER stress. In this study, we examined whether the protective effect of quercetin (QUR) against CdCl-induced nephrotoxicity in rats involved modulation of SIRT1 and/or ER stress. Read More

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Betalain exerts cardioprotective and anti-inflammatory effects against the experimental model of heart failure.

Hum Exp Toxicol 2021 Jun 30:9603271211027933. Epub 2021 Jun 30.

Department of Cardiovascular Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.

Betalain is a natural plant pigment known to elicit various biological activities. However, studies on the protective effect of betalain against heart failure have not reported yet. The experimental model of heart failure was created in Wistar rats using isoproterenol (ISO). Read More

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Pyrroloquinoline quinone regulates the redox status in vitro and in vivo of weaned pigs via the Nrf2/HO-1 pathway.

J Anim Sci Biotechnol 2021 Jun 18;12(1):77. Epub 2021 Jun 18.

State Key Lab of Animal Nutrition, College of Animal Science & Technology, China Agricultural University, Beijing, 100193, China.

Background: Oxidative stress is a main cause of piglet gut damage and diarrhea. Pyrroloquinoline quinone (PQQ), is a novel redox cofactor with antioxidant properties. However, the effect and mechanism that PQQ supplementation decreases oxidative injury in weaned pigs is not understood. Read More

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Dietary resveratrol attenuation of intestinal inflammation and oxidative damage is linked to the alteration of gut microbiota and butyrate in piglets challenged with deoxynivalenol.

J Anim Sci Biotechnol 2021 Jun 16;12(1):71. Epub 2021 Jun 16.

State Key Laboratory of Livestock and Poultry Breeding; Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs; Guangdong Provincial Key Laboratory of Animal Breeding and Nutrition; Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China.

Background: Deoxynivalenol (DON) is a widespread mycotoxin that induces intestinal inflammation and oxidative stress in humans and animals. Resveratrol (RES) effectively exerts anti-inflammatory and antioxidant effects. However, the protective effects of RES on alleviating DON toxicity in piglets and the underlying mechanism remain unclear. Read More

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Suppression of Endoplasmic Reticulum Stress by 4-PBA Protects Against Hyperoxia-Induced Acute Lung Injury Up-Regulating Claudin-4 Expression.

Front Immunol 2021 28;12:674316. Epub 2021 May 28.

Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.

Endoplasmic reticulum (ER) stress that disrupts ER function can occur in response to a wide variety of cellular stress factors leads to the accumulation of unfolded and misfolded proteins in the ER. Many studies have shown that ER stress amplified inflammatory reactions and was involved in various inflammatory diseases. However, little is known regarding the role of ER stress in hyperoxia-induced acute lung injury (HALI). Read More

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Peroxisome proliferator-activated receptor agonist (pioglitazone) with exogenous adiponectin ameliorates arterial stiffness and oxidative stress in diabetic Wistar Kyoto rats.

Eur J Pharmacol 2021 Jun 7;907:174218. Epub 2021 Jun 7.

School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang, Malaysia; Faculty of Pharmacy, University of Uyo, Uyo, Akwa Ibom State, Nigeria.

Oxidative stress causes hypoadiponectemia and reactive oxygen species production. This study investigates the pathophysiological role and potential effects of adiponectin with partial and full peroxisome proliferator-activated receptor-gamma agonists on modulation of metabolic dysregulation and oxidative stress in diabetic model of Wistar Kyoto rats (WKY). Forty two male WKY rats were randomized equally into 7 groups (n = 6), Group I serve as control, group II as WKY diabetic control, groups III, IV and V treated with irbesartan (30 mg/kg), pioglitazone (10 mg/kg) and adiponectin (2. Read More

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Protective effects of glycine against lipopolysaccharide-induced intestinal apoptosis and inflammation.

Amino Acids 2021 Jun 4. Epub 2021 Jun 4.

State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing, 100193, China.

Intestinal dysfunction is commonly observed in humans and animals. Glycine (Gly) is a functional amino acid with anti-inflammatory and anti-apoptotic properties. The objective of this study was to test the protective effects of Gly against lipopolysaccharide (LPS)-induced intestinal injury. Read More

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Type 2 diabetes mellitus duration and obesity alter the efficacy of autologously transplanted bone marrow-derived mesenchymal stem/stromal cells.

Stem Cells Transl Med 2021 Jun 3. Epub 2021 Jun 3.

Department of Cellular Therapy, Vinmec High-Tech Center, Hanoi, Vietnam.

Human bone marrow-derived mesenchymal stem/stromal cells (BM-MSCs) represent promising stem cell therapy for the treatment of type 2 diabetes mellitus (T2DM), but the results of autologous BM-MSC administration in T2DM patients are contradictory. The purpose of this study was to test the hypothesis that autologous BM-MSC administration in T2DM patient is safe and that the efficacy of the treatment is dependant on the quality of the autologous BM-MSC population and administration routes. T2DM patients were enrolled, randomly assigned (1:1) by a computer-based system into the intravenous and dorsal pancreatic arterial groups. Read More

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Exercise training ameliorates cognitive dysfunction in amyloid beta-injected rat model: possible mechanisms of Angiostatin/VEGF signaling.

Metab Brain Dis 2021 May 18. Epub 2021 May 18.

Laboratory of Integrated Physiology, Department of Health and Human Performance, University of Houston, Houston, TX, USA.

Vascular endothelial growth factor (VEGF) regulates angio/neurogenesis and also tightly links to the pathogenesis of Alzheimer's disease (AD). Although exercise has a beneficial effect on neurovascular function and cognitive function, the direct effect of exercise on VEGF-related signaling and cognitive deficit in AD is incompletely understood. Therefore, the purpose of this study was to investigate the protective effect of exercise on angiostatin/VEGF cascade and cognitive function in AD model rats. Read More

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mitigates sexual-reproductive deficits by modulating insulin receptor expression in the hypothalamic-pituitary-testicular axis of hyperinsulinemic mice.

Drug Metab Pers Ther 2021 May 17. Epub 2021 May 17.

Department of Anatomy, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, Ekiti State, Nigeria.

Objectives: Hyperinsulinemia increases the risk factor of diabetes and infertility at a manifold. has several medical significances with limited reports. Hence, this study assessed the effect of on sexual-reproductive functions and distribution of insulin receptors in the hypothalamic-pituitary-testicular axis of hyperinsulinemic mice. Read More

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Carbon Monoxide-Saturated Polymerized Placenta Hemoglobin Optimizes Mitochondrial Function and Protects Heart Against Ischemia-Reperfusion Injury.

J Cardiovasc Pharmacol 2021 Jun;77(6):814-821

Department of Anesthesiology, Laboratory of Mitochondrial and Metabolism, National Clinical Research Center for Geriatrics, West China Hospital of Sichuan University, Chengdu, China.

Abstract: Ischemia-reperfusion (I-R) injury is detrimental to cardiovascular system. This study was designed to investigate whether carbon monoxide-saturated polymerized human placenta hemoglobin (CO-PolyPHb) attenuates cardiac I-R injury and to elucidate the underlying mechanism(s). Sixty male adult Sprague-Dawley rats were randomly divided into 6 groups: saline + sham group, PolyPHb + sham group, CO-PolyPHb + sham group, saline + I-R group, PolyPHb + I-R group, and CO-PolyPHb + I-R group. Read More

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Estrogen normalizes maternal HFD-induced cardiac hypertrophy in offspring by regulating AT2R.

J Endocrinol 2021 Jun 16;250(1):1-12. Epub 2021 Jun 16.

Department of Pharmacology, Key Laboratory of Molecular Target & Clinical Pharmacology, School of, Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.

Our previous study has demonstrated maternal high-fat diet (HFD) caused sex-dependent cardiac hypertrophy in adult male, but not female offspring. The present study tested the hypothesis that estrogen normalizes maternal HFD-induced cardiac hypertrophy by regulating angiotensin II receptor (ATR) expression in adult female offspring. Pregnant rats were divided into the normal diet (ND) and HFD (60% kcal fat) groups. Read More

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Emodin Alleviates Severe Acute Pancreatitis-Associated Acute Lung Injury by Inhibiting the Cold-Inducible RNA-Binding Protein (CIRP)-Mediated Activation of the NLRP3/IL-1/CXCL1 Signaling.

Front Pharmacol 2021 23;12:655372. Epub 2021 Apr 23.

Department of General Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, China.

Severe acute pancreatitis (SAP) can lead to acute lung injury (ALI). This study investigated the therapeutic effect of emodin and its molecular mechanisms in a rat model of SAP-ALI. Forty male Sprague-Dawley rats were randomly divided into the groups: Control (CON), SAP (SAP), emodin (EMO), and C23 (C23). Read More

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Effects of co-administration of pharmacopoeia formulations and with CAT-I antitubercular drugs in rats.

J Complement Integr Med 2021 May 10. Epub 2021 May 10.

ICMR-National Institute for Research in Tuberculosis (NIRT), Chennai, Tamil Nadu, India.

Objectives: Tuberculosis continues to be a major public health problem globally, despite incredible advancements in healthcare system. In system of medicine, (QTS) and (AHB) have been traditionally used for tuberculosis like conditions. The study was aimed to investigate the effects of co-administration of QTS and AHB with category I first line antitubercular drugs (CAT-I) on the indices of liver and kidney function in rats. Read More

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The role and mechanism of hyperoside against myocardial infarction in mice by regulating autophagy via NLRP1 inflammation pathway.

J Ethnopharmacol 2021 Aug 4;276:114187. Epub 2021 May 4.

Department of Pharmacology, School of Basic Medical Sciences, Anhui Medical University, No.81 Meishan Road, Hefei, 230032, People's Republic of China. Electronic address:

Ethnopharmacological Relevance: The genus Hypericum are widely distributed in China. Hypericum perforatum L. (genus Hypericum, family Hypericaceae) has a long history as a traditional Chinese medicine, which was traditionally used for the treatment of emotional distress, cardiothoracic depression, and acute mastitis. Read More

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Protective Effect of Intestinal Helminthiasis Against Tuberculosis Progression Is Abrogated by Intermittent Food Deprivation.

Front Immunol 2021 14;12:627638. Epub 2021 Apr 14.

Unitat de Tuberculosi Experimental, Institut Germans Trias i Pujol, UAB, Badalona, Spain.

Background: Tuberculosis (TB) is still a major challenge for humankind. Because regions with the highest incidence also have a high prevalence of helminthiasis and nutritional scarcity, we wanted to understand the impact of these on TB progression.

Methods: We have developed an experimental murine model for active TB in C3HeB/FeJ, coinfected with and nematodes, and exposed to an environmental mycobacterium () and intermittent fasting. Read More

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Angiotensin AT2 Receptor is Anti-inflammatory and Reno-Protective in Lipopolysaccharide Mice Model: Role of IL-10.

Front Pharmacol 2021 15;12:600163. Epub 2021 Apr 15.

Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, TX, United States.

Acute kidney injury (AKI) due to endotoxemic insult is predicted by the infiltration of neutrophils, monocytes and macrophages, and the release of pro-and anti-inflammatory cytokines to the site of injury. Earlier, we have demonstrated the role of angiotensin-II type 2 receptor (AT2R) stimulation in reno-protection in lipopolysaccharide (LPS)-induced inflammation and AKI in C57BL6/NHsd mice. Moreover, AT2R activation has been shown to increase the anti-inflammatory cytokine interleukin-10 (IL-10), its role in AT2R-mediated anti-inflammation and reno-protection is unknown. Read More

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Siomycin A induces reactive oxygen species-mediated cytotoxicity in ovarian cancer cells.

Oncol Lett 2021 Jun 31;21(6):431. Epub 2021 Mar 31.

Department of Obstetrics and Gynecology, The Hospital of Tinglin, Shanghai 201505, P.R. China.

Ovarian cancer is one of the leading causes of cancer-related death among women worldwide and accounts for 4% of all cancer cases in female patients. To date, ovarian cancer has the poorest prognosis among all types of gynecological cancer; thus, it is necessary to identify prospective therapeutic options. Previous studies have demonstrated the involvement of reactive oxygen species (ROS) in the cytotoxicity of various anticancer drugs against several types of carcinoma, including ovarian cancer. Read More

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alleviates depression-like behavior through inhibiting toll-like receptor 4 (TLR4) signaling in mice.

Ann Transl Med 2021 Mar;9(5):366

Department of General Surgery, The Third Xiangya Hospital, Central South University, Changsha, China.

Background: The intestinal flora can influence behavior through the microbiota-gut-brain axis and is closely related to the occurrence and development of nervous system diseases such as depression. Probiotics like may regulate the balance of the intestinal flora and play an active role in preventing and treating depression.

Methods: Eight-week-old C57BL/6J mice (n=32) were randomly and equally divided into a normal control group, a control + group, a model group, and a model + group. Read More

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Analysis of FLT3-Activating Mutations in Patients With Acute Myelogenous Leukemia in Jordan: Association With FAB Subtypes and Identification of Subgroups With Poor Prognosis.

Clin Lymphoma Myeloma Leuk 2021 Jul 9;21(7):e588-e597. Epub 2021 Mar 9.

Department of Medical Oncology-Hematology, King Hussein Cancer Center, Amman, Jordan.

Background: FLT3 mutations are common in acute myeloid leukemia (AML), particularly in French-American-British M2 subtype AML and in cytogenetically normal (CN) AML; however, its incidence in Jordan is poorly studied. An FLT3 mutation implies poor prognosis in AML patients. We aimed to assess the incidence and prognostic value of FLT3 mutations in AML in Jordan. Read More

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Nox2 Inhibition Regulates Stress Response and Mitigates Skeletal Muscle Fiber Atrophy during Simulated Microgravity.

Int J Mol Sci 2021 Mar 23;22(6). Epub 2021 Mar 23.

Redox Biology & Cell Signaling Laboratory, Department of Health and Kinesiology, Graduate Faculty of Nutrition, Texas A&M University, College Station, TX 77843, USA.

Insufficient stress response and elevated oxidative stress can contribute to skeletal muscle atrophy during mechanical unloading (e.g., spaceflight and bedrest). Read More

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Trans-ferulic acid ameliorates cisplatin-induced testicular damage via suppression of TLR4, P38-MAPK, and ERK1/2 signaling pathways.

Environ Sci Pollut Res Int 2021 Apr 1. Epub 2021 Apr 1.

Department of Pharmacology and Toxicology, Faculty of Pharmacy, Nahda University, Beni-Suef, Egypt.

Testicular damage has been described as a common side effect of cisplatin (CDDP), which limits its clinical uses. Since oxidative injury and inflammatory response are the most pathological impact, estimation of natural antioxidant and anti-inflammatory agents like trans-ferulic acid (TFA) could protect against CDDP-induced testicular damage. In the current investigation, rats were assigned into four groups: normal, TFA (50 mg/kg/day, P. Read More

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n-3 PUFAs protect against adiposity and fatty liver by promoting browning in postnatally overfed male rats: a role for NRG4.

J Nutr Biochem 2021 Jul 8;93:108628. Epub 2021 Mar 8.

Department of Child Health Care, Children's Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China; Institute of Pediatric Research, Nanjing Medical University, Nanjing, Jiangsu Province, China. Electronic address:

Early-life nutrition plays an important role in regulating adult metabolism. This study evaluated the effects of early nutrition during the suckling and postweaning periods on expression of the adipocytokine Neuregulin 4 (Nrg4) and its relationship with nonalcoholic fatty liver disease (NAFLD) in adulthood. In vivo, male rats were adjusted to litter sizes of three (small litter, SL) or ten (normal litter, NL) on postnatal day 3. Read More

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Cardioprotective Properties of Mannitol-Involvement of Mitochondrial Potassium Channels.

Int J Mol Sci 2021 Feb 27;22(5). Epub 2021 Feb 27.

Department of Anesthesiology, Medical Faculty and University Hospital Duesseldorf, Heinrich-Heine-University Duesseldorf, Moorenstr. 5, 40225 Duesseldorf, Germany.

Cardiac preconditioning (PC) and postconditioning (PoC) are powerful measures against the consequences of myocardial ischemia and reperfusion (I/R) injury. Mannitol-a hyperosmolar solution-is clinically used for treatment of intracranial and intraocular pressure or promotion of diuresis in renal failure. Next to these clinical indications, different organ-protective properties-e. Read More

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February 2021

Phyllanthin Averts Oxidative Stress and Neuroinflammation in Cerebral Ischemic-Reperfusion Injury through Modulation of the NF-κB and AMPK/Nrf2 Pathways.

J Environ Pathol Toxicol Oncol 2021 ;40(1):85-97

Department II of Neurology, Fourth (Xing Yuan) Hospital of Yulin, Yulin City, Shanxi Providence, 719000, China.

Cerebral ischemia-reperfusion (CIR) is a common feature of ischemic stroke and is a major cause of disability and death among stroke patients worldwide. Phyllanthin, a lignin polyphenol, is known for its varied biological properties, although its protective effects against CIR have not been reported. We evaluated the neuroprotective property of phyllanthin against CIR as well as the involvement of the AMP-activated protein kinase/nuclear factor erythroid 2-related factor 2 (AMPK/Nrf2) and nuclear factor kappa B (NF-κB) signaling pathways. Read More

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Retinoprotective effect of agmatine in streptozotocin-induced diabetic rat model: avenues for vascular and neuronal protection : Agmatine in diabetic retinopathy.

J Physiol Biochem 2021 May 26;77(2):305-320. Epub 2021 Feb 26.

Physiology Department, Faculty of Medicine, Tanta University, Tanta, Egypt.

Diabetic retinopathy (DR) is the most common diabetic neurovascular complication, and the leading cause of preventable blindness among working-age individuals. Recently, agmatine, the endogenous decarboxylated L-arginine, has gained attention as a pleiotropic agent that modulates the diabetes-associated decline in quality of life, and exhibited varied protective biological effects. Diabetes was induced by a single streptozotocin (STZ, 50 mg/kg, i. Read More

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Overlapping roles of NADPH oxidase 4 for diabetic and gadolinium-based contrast agent-induced systemic fibrosis.

Am J Physiol Renal Physiol 2021 04 22;320(4):F617-F627. Epub 2021 Feb 22.

Kidney Institute of New Mexico, University of New Mexico Health Science Center, Albuquerque, New Mexico.

Dozens of millions of people are exposed to gadolinium-based contrast agents annually for enhanced magnetic resonance imaging. Gadolinium-based contrast agents are known nephrotoxins and can trigger the potentially fatal condition of systemic fibrosis. Risk factors are practically entirely undefined. Read More

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Glycogen synthase kinase 3 beta inhibitor SB216763 improves Kir2.1 expression after myocardia infraction in rats.

J Interv Card Electrophysiol 2021 Feb 20. Epub 2021 Feb 20.

Department of Pharmacology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, Henan, China.

Background: Abnormal ion channel currents caused by myocardial electrical remodeling is one of the main causes of malignant arrhythmias. Glycogen synthase kinase 3β (GSK-3β) is the main therapeutic target following ischemia as it regulates nerve cell channels. However, few studies have investigated its role in myocardial electrical remodeling. Read More

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February 2021

WISP1 aggravates cell metastatic potential by abrogating TGF--Smad2/3-dependent epithelial-to-mesenchymal transition in laryngeal squamous cell carcinoma.

Exp Biol Med (Maywood) 2021 Jun 16;246(11):1244-1252. Epub 2021 Feb 16.

Department of Otolaryngology-Head and Neck Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, P.R. China.

Laryngeal squamous cell cancer (LSCC) is a common carcinoma with high morbidity and mortality. Metastasis constitutes the major cause of death and poor prognosis among patients with LSCC. Recent evidence confirms critical function of Wnt1-inducible signaling protein 1 (WISP1) in several cancers. Read More

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Abatement of the dysfunctional hypothalamic-pituitary-gonadal axis due to ciprofloxacin administration by selenium in male rats.

J Biochem Mol Toxicol 2021 May 16;35(5):e22741. Epub 2021 Feb 16.

Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria.

The present study examined the influence of selenium on ciprofloxacin-mediated reproductive dysfunction in rats. The research design consisted of five groups of eight animals each. The rats were administered 135 mg/kg body weight of ciprofloxacin per se or simultaneously with selenium at 0. Read More

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