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78 articles for “dysfunction”
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Research ArticleOpen accessEvery word in the titleDihydrobiopterin (BH2): Key Determinant in Influencing Arginine Mediated Endothelial Tolerance and DysfunctionSrinidi Mohan, Harsh Patel, Jorge Bolinaga et al.The redox-sensitive tetrahydrobiopterin (BH4) is an essential cofactor that is required by endothelial Nitric Oxide Synthase (eNOS) for L-arginine (ARG) mediated Nitric Oxide (NO) generation. Oxidation of BH4 causes cofactor insufficiency and uncoupling of eNOS, resulting in product switching from NO to O2⋅– production. Here we tested the hypothesis that eNOS uncoupling is not simply a consequence of BH4 insufficiency, … …American Journal of Biochemistry and Biotechnology, Vol. 8, Issue 2 · 22 Jun 2012 · 8,348 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleCoronary Endothelial Dysfunction after Drug-Eluting Stent ImplantationShigenori ItoProblem statement: Stent thrombosis, which may occur even one year after stent implantation, is a drawback of Drug-Eluting Stents (DES). Among the variety of causes of stent thrombosis after DES implantation, coronary endothelial dysfunction manifested or exaggerated by DES implantation should not be overlooked. This review article summarizes previous reports on coronary endothelial dysfunction after DES implantation and/or coronary spasm … …Current Research in Medicine, Vol. 3, Issue 2 · 30 Apr 2012 · 7,936 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEvidence of Mitochondrial Dysfunction in Autism and Implications for TreatmentDaniel A. Rossignol, J. Jeffrey BradstreetClassical mitochondrial diseases occur in a subset of individuals with autism and are usually caused by genetic anomalies or mitochondrial respiratory pathway deficits. However, in many cases of autism, there is evidence of mitochondrial dysfunction (MtD) without the classic features associated with mitochondrial disease. MtD appears to be more common in autism and presents with less severe signs and symptoms. … …American Journal of Biochemistry and Biotechnology, Vol. 4, Issue 2 · 30 Jun 2008 · 16,373 accessesView PDFCite
Research ArticleOpen accessEvery word in the titlePatient and Mouse Antibodies against Dengue Virus Nonstructural Protein 1 Cross-React with Platelets and Cause Their Dysfunction or DepletionChiou-Feng Lin, Huan-Yao Lei, Ching-Chuan Liu et al.Thrombocytopenia is a clinical manifestation in dengue virus (DV) infection, yet its pathogenic mechanisms are unresolved. We previously showed that dengue patient sera contained antibodies cross-reactive with platelets. In this study, we demonstrated that the anti-platelet activity of dengue patient sera was due to the antibodies against DV nonstructural protein 1 (NS1). Studies using DV-infected or recombinant NS1-immunized mouse sera … …American Journal of Infectious Diseases, Vol. 4, Issue 1 · 31 Mar 2008 · 7,321 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleNeuropsychological Dysfunction among HIV Infected Drug AbusersRamani S. Durvasula, Charles H. HinkinHuman immunodeficiency virus (HIV) has been documented to cause direct and indirect central nervous system dysfunction that can be observed as a progressive decline in neuropsychological functioning in a large proportion of persons with HIV and AIDS. Neuropsychological decline in individuals with HIV is characterized by cognitive and motor slowing, attentional deficits, executive dysfunction and memory impairment (characterized by intact … …American Journal of Infectious Diseases, Vol. 2, Issue 2 · 30 Jun 2006 · 7,155 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleColor Doppler Evaluation of Isovolumetric Relaxation Time and of Signals Arising from Axons of the Median Nerve as a Means to Evaluate Mitochondrial Functionality in the Context of Immunotherapy of Cancer and Chronic Conditions Associated with Mitochondrial DysfunctionStefania Pacini, Marco RuggieroReactive Oxygen Species (ROS) arising from the disruption of mitochondrial respiration act as endogenous mutagens and tumor promoters. When production of ROS exceeds the capacity of DNA repair mechanisms, random mutations and aneuploidy ensue, thousands of genes become unbalanced and genetic/epigenetic chain reactions lead to progressive aneuploidy with only two outcomes: karyotypes so altered that are not viable or karyotypes … …American Journal of Immunology, Vol. 15, Issue 1 · 12 Oct 2019 · 9,690 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleZinc Deficiency and Associated T-Cell Dysfunctioning among Human Immunodeficiency Virus SeropositivesM. Andrew Pradeep, M. Thiruvalluvan, V. Nalini, J. Stella MaryProblem statement: All the nutrients in the diet play a crucial role in maintaining an optimal immune response. In both, deficient and excessive intake of nutrients can have negative consequence on the immune status and susceptibility to a variety of pathogens. Zinc is an essential micronutrient for human growth development and immune function. It plays a vital role in structure … …Current Research in Medicine, Vol. 1, Issue 2 · 31 Oct 2010 · 8,037 accessesView PDFCite
Research ArticleOpen accessIn the keywordsMonitoring of Reproductive Capacity of Dairy Cattle in Eurasia: A Comparative Study in Kazakhstan and the Republic of TuvaAnuarbek Temirbekovich Bissembayev, Sayana Darzhaevna Mongush, Dauren Maratovich Bekenov et al.This study investigates the reproductive capacity of dairy cattle populations in the Republic of Kazakhstan and the Republic of Tuva (Russian Federation). Experimental work was conducted at four study sites: in Kazakhstan, Abdrakhmanov Bolat Dauletbekovich SP (Akmola region) and Alimzhanov TS farm (Almaty region); in the Republic of Tuva, Oyun SP of Kyzyl district (forest-steppe population) and SPK Breeding Farm … …OnLine Journal of Biological Sciences, Vol. 25, Issue 4 · 14 Jan 2026 · 2,373 accessesView PDFCite
Research ArticleOpen accessIn the keywordsRibavirin Plus Therapy in Covid-19-A Single-Center ExperienceBudha Oinam Singh, Gaurav Chikara, Prasan Kumar Panda et al.COVID-19 infection has a similar clinical spectrum of disease presentation such as SARS and MERS in the past. These led to the assumption of the possibility to treat COVID-19 infection with antivirals which had been used to treat SARS and MERS. A retrospective analysis was done in symptomatic adult patients of COVID-19 infection to explore whether ribavirin antiviral combinations reduce … …American Journal of Pharmacology and Toxicology, Vol. 18, Issue 1 · 25 Jul 2023 · 8,610 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAphrodisiac Activity of Kaempferia parvifloraJintanaporn Wattanathorn, Prasert Pangphukiew, Supaporn Muchimapura et al.Problem statement: The increasing prevalence of sexual dysfunction and the limitation of therapeutic efficacy nowadays give rise to the requirement of novel therapeutic strategy. Kaempferia parviflora or Krachai-Dun has been long term used in Thai traditional folklore to treat this condition. Unfortunately, no scientific document is available until now. Therefore, this study was undertaken to determine the effect of this … …American Journal of Agricultural and Biological Sciences, Vol. 7, Issue 2 · 9 Mar 2012 · 10,476 accessesView PDFCite