540,410 results match your criteria: "Alkaloids"

A
Adverse effects of the classic antioxidant uric acid in adipocytes: NADPH oxidase-mediated oxidative/nitrosative stress.
Yuri Y Sautin, Takahiko Nakagawa, Sergey Zharikov, Richard J Johnson

Am J Physiol Cell Physiol· August 2007

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Intense sweetness surpasses cocaine reward.
Magalie Lenoir, Fuschia Serre, Lauriane Cantin, Serge H Ahmed

August 2007

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Caffeine decreases vitamin D receptor protein expression and 1,25(OH)2D3 stimulated alkaline phosphatase activity in human osteoblast cells.
Prema B Rapuri, J C Gallagher, Zafar Nawaz

March 2007

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A double-blind, placebo-controlled, multi-dose evaluation of the acute behavioural effects of guaraná in humans.
C F Haskell, D O Kennedy, K A Wesnes, A L Milne, A B Scholey

J Psychopharmacol· January 2007

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Coffee and health: a review of recent human research.
Jane V Higdon, Balz Frei

Crit Rev Food Sci Nutr· August 2006

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Psilocybin can occasion mystical-type experiences having substantial and sustained personal meaning and spiritual significance.
R R Griffiths, W A Richards, U McCann, R Jesse

Psychopharmacology (Berl)· August 2006

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Caffeine stimulation of cortisol secretion across the waking hours in relation to caffeine intake levels.
William R Lovallo, Thomas L Whitsett, Mustafa al'Absi, Bong Hee Sung, Andrea S Vincent

Psychosom Med· July 2006

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Subjective, behavioral, and physiological effects of acute caffeine in light, nondependent caffeine users.
Emma Childs, Harriet de Wit

Psychopharmacology (Berl)· May 2006

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The effects of vitamin C supplementation on serum concentrations of uric acid: results of a randomized controlled trial.
Han-Yao Huang, Lawrence J Appel, Michael J Choi, Allan C Gelber, Jeanne Charleston

Arthritis Rheum· June 2005

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Effects of caffeine ingestion on rating of perceived exertion during and after exercise: a meta-analysis.
M Doherty, P M Smith

Scand J Med Sci Sports· April 2005

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Low dose diamorphine reduces breathlessness without causing a fall in oxygen saturation in elderly patients with end-stage idiopathic pulmonary fibrosis.
Stephen Allen, Satru Raut, Jane Woollard, Michael Vassallo

March 2005

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Evolution of dietary specialization and chemical defense in poison frogs (Dendrobatidae): a comparative analysis.
Catherine R Darst, Pablo A Menéndez-Guerrero, Luis A Coloma, David C Cannatella

January 2005

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Intake of purine-rich foods, protein, and dairy products and relationship to serum levels of uric acid: the Third National Health and Nutrition Examination Survey.
Hyon K Choi, Simin Liu, Gary Curhan

Arthritis Rheum· January 2005

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Effects of caffeine ingestion on exercise testing: a meta-analysis.
Mike Doherty, Paul M Smith

December 2004

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A critical review of caffeine withdrawal: empirical validation of symptoms and signs, incidence, severity, and associated features.
Laura M Juliano, Roland R Griffiths

Psychopharmacology (Berl)· October 2004

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Patterns of high-dose morphine use in a home-care hospice service: should we be afraid of it?
Michaela Bercovitch, Abraham Adunsky

Cancer· September 2004

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Caffeine impairs glucose metabolism in type 2 diabetes.
James D Lane, Christina E Barkauskas, Richard S Surwit, Mark N Feinglos

Diabetes Care· August 2004

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Estrogen controls lipolysis by up-regulating alpha2A-adrenergic receptors directly in human adipose tissue through the estrogen receptor alpha. Implications for the female fat distribution.
Steen B Pedersen, Kurt Kristensen, Pernille A Hermann, John A Katzenellenbogen, Bjørn Richelsen

J Clin Endocrinol Metab· April 2004

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mRNA is an endogenous ligand for Toll-like receptor 3.
Katalin Karikó, Houping Ni, John Capodici, Marc Lamphier, Drew Weissman

J Biol Chem· March 2004

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Caffeine ingestion and fluid balance: a review.
R J Maughan, J Griffin

J Hum Nutr Diet· December 2003

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Effects of caffeine on human health.
P Nawrot, S Jordan, J Eastwood, J Rotstein, A Hugenholtz

Food Addit Contam· January 2003

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Coffee acutely increases sympathetic nerve activity and blood pressure independently of caffeine content: role of habitual versus nonhabitual drinking.
Roberto Corti, Christian Binggeli, Isabella Sudano, Lukas Spieker, Edgar Hänseler

December 2002

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Effects of caffeine on mood and performance: a study of realistic consumption.
Carolyn F Brice, Andrew P Smith

Psychopharmacology (Berl)· November 2002

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Uric acid, hominoid evolution, and the pathogenesis of salt-sensitivity.
Susumu Watanabe, Duk-Hee Kang, Lili Feng, Takahiko Nakagawa, John Kanellis

Hypertension· September 2002

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Does caffeine intake protect from Alzheimer's disease?
L Maia, A de Mendonça

Eur J Neurol· July 2002

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Effect of nicotine and nicotinic receptors on anxiety and depression.
Marina R Picciotto, Darlene H Brunzell, Barbara J Caldarone

Neuroreport· July 2002

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Studies on the synthesis and opioid agonistic activities of mitragynine-related indole alkaloids: discovery of opioid agonists structurally different from other opioid ligands.
Hiromitsu Takayama, Hayato Ishikawa, Mika Kurihara, Mariko Kitajima, Norio Aimi

April 2002

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Kiesselbach's area nasal septal gouty tophus with an integrated "3 + 2" diagnostic algorithm: a case report.
Weikun Chen, Wanling Chen, Duanyue Guo, Ziyue Wang, Ziwen Shi

J Med Case Rep· November 2025

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Opioid overdose associated with concomitant use of hydrocodone and selective serotonin reuptake inhibitors.
Sungho Bea, Krista F Huybrechts, Robert J Glynn, Seanna M Vine, Shruti Belitkar

BMC Med· November 2025

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Nonlinear relationship between the serum uric acid-to-high density lipoprotein cholesterol ratio and short-term readmission in chronic heart failure: a retrospective cohort study.
Leilei Guo, Ping Liu, Lina Cai, Li Hu, Yueshan Zhou

BMC Cardiovasc Disord· November 2025

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I
In vitro phytochemical and biological evaluation of hydroethanolic extract of Anchomanes difformis In Togo.
Tchilabalo Bouyo, Komi Komi Koukoura, Sandrine Tènè Salifou, Passimna Pissang, Efui Holaly Gbekley

Sci Rep· November 2025

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E-cigarette exposure and CDP choline modulate withdrawal- induced anxiety and hormonal levels in rats.
Muna Barakat, Lujain F Alzaghari, Mohammad A A Al-Najjar, Thanaa Al-Zuhd, Maram Abdaljaleel

Sci Rep· November 2025

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Sida Rhombifolia linn: an empirical analysis on phytochemicals and an in vitro outcome on anti-inflammatory and antioxidant perspective.
K Yesoda Aniyan, Anuradha Ganesan, C L Krithika, Dhamodharan Umapathy

Sci Rep· November 2025

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Cepharanthine as a Biofactor: Molecular Functions, Signaling Pathway Modulation and Therapeutic Relevance in Cancer and Drug Resistance.
Hector Hernández Parra, Héctor Adrián García-Gasca, Sheila Iraís Peña-Corona, Gerardo Leyva-Gómez, Harshada Manish Adhyapak

Biofactors· November 2025

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Notch1-dependent hippocampal apoptosis is associated with monocrotaline-induced anxiety-like behavior.
Lai Baochang, Li Fan, Wang Fei, Yan Xianchun, Wang Zichen

Toxicology· November 2025

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Inhibition of levodopa-induced abnormal involuntary movements (AIMs) using a selective α7 nicotinic positive allosteric modulator.
Yasaman Malekizadeh, Kiana Hassankhani, Alice E Kingslake, Lucy E Annett, Mohammed Shoaib

Neuropharmacology· February 2026

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E
Effects of psychedelic microdosing on cognitive functions: A systematic review and meta-analysis.
Netta Pinhas, Nofar Eidlman, Avigail Barnea, Leehe Peled-Avron

Neurosci Biobehav Rev· January 2026

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Rocket-inspired gas-propelled microneedles engineered with borneol-NLCs-loaded hierarchical cavities for enhanced brain delivery in Alzheimer's therapy.
Shulin Shen, Yanyan Zheng, Yueyue Xie, Xinzi You, Xuechao Chen

Int J Pharm· January 2026

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Design, synthesis, and anticancer evaluation of spirooxindole-1,2,3-triazole hybrids as potent VEGFR-2 inhibitors.
Assem Barakat, Moayad Abdullah Alwehaibi, Abdulmajeed Abdullah Alayyaf, M Ali, Muhanna K Al-Muhanna

Bioorg Chem· December 2025

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Preparation and in vitro functional validation of a novel antibody-siRNA-Exatecan conjugate (AREC).
Xiang Yu, Ze Meng Ma, Feng Ji, Mingjiu Chen, Huricha Baigude

Int Immunopharmacol· January 2026

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Theacrine protects vascular endothelial cells against oxidative damage after ischemic stroke by inhibiting Rac1 and activating Nrf2 pathway.
Yuqin Zhang, Yanan Li, Xuezhen Li, Penghua Liao, Wenting Chen

Int Immunopharmacol· January 2026

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SMART-guided discovery of Sarpagine-type monoterpene indole alkaloids from Rauvolfia vomitoria and the synergistic effects with cisplatin against human ovarian cancer cells.
Kailing Yang, Yu Zhang, Rongkun Miao, Chending Luo, Xiaoxiao Yuan

Bioorg Chem· November 2025

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Perfluorooctanoic acid and perfluorooctanesulfonic acid induce resistance to chemotherapy in colorectal cancer.
Jingya Liu, Xiangyi Pang, Xiang Li, Nanlin Huang, Junhao Xu

J Hazard Mater· December 2025

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E
Establishing the minimal important change for Patient Assessment of Constipation Quality of Life questionnaire for the prevention of opioid-induced constipation in patients with cancer pain.
Takahiro Higashibata, Shunsuke Oyamada, Jun Hamano, Takaomi Kessoku, Tatsuya Morita

Support Care Cancer· November 2025

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E
Evaluation of CD20-Positive B Cells in Libyan Lymphoma Patients Following Rituximab Treatment.
Eman Eshawesh, Salah Altabal, Mohamed Elbasir, Abulrhman S Elbannani, Yosra Lamami

Asian Pac J Cancer Prev· November 2025

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Maritoclax Overcomes FBW7 Deficiency-Driven Irinotecan Resistance in Colorectal Cancer by Targeting MCL1.
Qian Lin, Shuting Liu, Hongfei Jiang, Shasha Wang, Yixin Duan

Cancer Med· December 2025

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Facile Access to Tricyclic Molecular Architectures through Photo-Reversible Dearomative 6π-Desymmetrizations: Scope, Applications, Bioactivity Study, and Mechanistic Nuances.
Xiao Zhang, Yuchen Sun, Wanru Wu, Mengling Zhang, Hou-Wen Lin

J Am Chem Soc· December 2025

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Novel Isoidide Subunit-Containing Xanthine Oxidase Inhibitors with Potent Hypouricemic Effects.
Xiaoyi Zeng, Yu Chen, Bing Xu, Jie Zhang, Kun Huang

J Med Chem· December 2025

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Targeting telomere dynamics with plant-derived compounds: Molecular strategies against aging.
Raushanara Akter, Adwiza Chakraborty Bishakha, Raisha Rajib, Asef Raj, Mashwiyat Samrin Roja

Curr Res Pharmacol Drug Discov· November 2025

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Microcirculatory Changes in a Venous-Arterial Extracorporeal Membrane Oxygenation-Supported Patient with Cardiac Arrest Due to Aconitine Poisoning: A Case Report.
Yu Yang, Xuan Yao, Bei Ma, Xi Chen

Clin Med Insights Case Rep· November 2025

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Coffee phytochemicals and their protective roles in hepatic and renal disorders: a review.
Mostafa A Asmaey, Masaki Kita

Food Funct· December 2025

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Physiologically Based Pharmacokinetic Modeling of Caffeine in Preterm Neonates: Influence of Renal Function and Impairment on Dosing.
Nolan Thomas, Matthew W Harer, Sin Yin Lim

J Clin Pharmacol· January 2026

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Design, Synthesis, and Structural Evolution of Pseudo-Natural Product IDO1 Inhibitors and Degraders.
Xiu-Fen Cheng, Belén Lucas, Philipp Lampe, Stefano Ugel, Suyuan Chen

Angew Chem Int Ed Engl· November 2025

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Identification of the efficacy and safety of apomorphine in the treatment of Parkinson's disease via meta-analysis.
Haidong Li, Liwen Zhang, Baona Jiang, Lu Jing

BMC Neurol· November 2025

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