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  1. Chin KY, Nirwana SI, Ngah WZ
    Clin Interv Aging, 2015;10:1377-80.
    PMID: 26346636 DOI: 10.2147/CIA.S90233
    Previous reports of patients undergoing parathyroidectomy and of patients receiving teriparatide as antiosteoporotic treatment have suggested a plausible relationship between parathyroid hormone (PTH) and uric acid. However, similar data at population level were lacking. The current study aimed to determine the relationship between PTH and uric acid in a group of apparently healthy Malaysian men.
    Matched MeSH terms: Hyperuricemia/blood*
  2. Jummaat F, Adnan AS, Ab Hamid SA, Hor JN, Nik Mustofar NN, Muhammad Asri NA, et al.
    J Obstet Gynaecol, 2021 Jan;41(1):38-43.
    PMID: 33124936 DOI: 10.1080/01443615.2019.1679731
    Preeclampsia patients have frequently been found to experience hyperuricaemia and this may result in poor outcomes compared to those with normal uric acid levels. This study aimed to determine the relationship of hyperuricaemia in pre-eclampsia patients with foetal and maternal outcomes. This prospective cohort study involved 79 patients in a tertiary centre from year 2016 to 2018. Blood samples were taken antenatally and at the 6th week, post-delivery for renal function including serum uric acid level. Our findings indicate that there was a higher incidence of poor maternal and foetal outcomes in the hyperuricaemia group than the normal uric acid group. Serum uric acid has been shown to be a significant predictor for low birth weight and premature delivery in preeclampsia patients. It was also found that there was a significant negative correlation between uric acid level and antenatal creatinine clearance (rs = -0.338, p = .002). The assessment of the serum uric acid level seems to be important to ensure better outcomes in patients with preeclampsia.Impact statementWhat is already known on this subject? Preeclampsia is a serious pregnancy-related complication and remains as one of the most important cause of maternal and foetal morbidity and mortality, affecting 2-8% in all pregnancy. Many studies have established the association between hyperuricaemia and preeclampsia. Besides, numerous studies have found that hyperuricaemia contributed to adverse maternal and foetal outcomes.What the results of this study add? There was a significant increase in adverse foetal and maternal outcomes in the hyperuricaemia group compared to the normal uric acid group. This study revealed that serum uric acid remains a significant predictor for low birth weight and premature delivery in preeclampsia patients.What the implications are of these findings for clinical practice and/or further research? Hyperuricaemia does not merely become an indicator for the severity of disease in preeclampsia patients but also indicates adverse foetal outcomes. Large population-based studies are required to establish the absolute maternal and foetal outcomes in patients with hyperuricaemia. Besides, further studies are recommended on long-term implication of hyperuricaemia which is not limited to only during antenatal period.
    Matched MeSH terms: Hyperuricemia/blood
  3. Cheng LC, Murugaiyah V, Chan KL
    J Ethnopharmacol, 2015 Dec 24;176:485-93.
    PMID: 26593216 DOI: 10.1016/j.jep.2015.11.025
    ETHNOPHARMACOLOGICAL RELEVANCE: Lippia nodiflora has been traditionally used in the Ayurvedic, Unani, and Sidha systems, as well as Traditional Chinese Medicine (TCM) for the treatment of knee joint pain, lithiasis, diuresis, urinary disorder and swelling.
    AIM OF THE STUDY: The present study aims to investigate the antihyperuricemic effect of the L. nodiflora methanol extract, fractions, and chemical constituents and their mechanism of action in the rat model.
    MATERIALS AND METHODS: The mechanisms were investigated by performing xanthine oxidase inhibitory, uricosuric, and liver xanthine oxidase/xanthine dehydrogenase (XOD/XDH) inhibitory studies in potassium oxonate- and hypoxanthine-induced hyperuricemic rats. The plant safety profile was determined using acute toxicity study. The molecular docking of the active compound to the xanthine oxidase was simulated using computer aided molecular modeling analysis.
    RESULTS: Oral administration of methanol extract showed a dose-dependent reduction effect on the serum uric acid level of hyperuricemic rats. F3 was the most potent fraction in lowering the serum uric acid level of hyperuricemic rats. Bioactivity-guided purification of F3 afforded two phenylethanoid glycosides, arenarioside (1) and verbascoside (2) and three flavonoids, 6-hydroxyluteolin (3), 6-hydroxyluteolin-7-O-glycoside (4), and nodifloretin (5). The highest serum uric acid reduction effect was exhibited by 3 (66.94%) in hyperuricemic rats, followed by 5 (55.97%), 4 (49.16%), 2 (29.03%), and 1 (22.08%) at 0.2 mmol/kg. Dose-response investigation on 3 at doses of 0.05, 0.1, and 0.3 mmol/kg produced a significant dose-dependent reduction on the serum uric acid level of hyperuricemic rats. Repeated administration of F3 or 3 to the hyperuricemic rats for 10 continuous days resulted in a significant and progressive serum uric acid lowering effect in hyperuricemic rats. In contrast, methanol extract and F3 did not reduce serum uric acid level of normoruricemic rats. In addition, F4 significantly increased the uric acid excretion of hyperuricemic rats at 200mg/kg. No toxic effect was observed in rats administered with 5000 mg/kg of methanol extract or F3.
    CONCLUSION: The potential application of L. nodiflora against hyperuricemia in the animal in accordance with its traditional uses has been demonstrated in the present study for the first time. The antihyperuricemic effect possessed by L. nodiflora was contributed mainly by liver XOD/XDH inhibitory activities and partially by uricosuric effect. Flavonoids mainly accountable for the uric acid lowering effect of L. nodiflora through the inhibition of XOD/XDH activities.
    KEYWORDS: Antihyperuricemic; Hypoxanthine-induced hyperuricemic rat; Lippia nodiflora; Liver xanthine oxidase and xanthine dehydrogenase; Serum uric acid; Uric acid excretion
    Matched MeSH terms: Hyperuricemia/blood
  4. Hossain MM, Mukheem A, Kamarul T
    Life Sci, 2015 Aug 15;135:55-67.
    PMID: 25818192 DOI: 10.1016/j.lfs.2015.03.010
    Hypoadiponectinemia is characterized by low plasma adiponectin levels that can be caused by genetic factors, such as single nucleotide polymorphisms (SNPs) and mutations in the adiponectin gene or by visceral fat deposition/obesity. Reports have suggested that hypoadiponectinemia is associated with dyslipidemia, hypertension, hyperuricemia, metabolic syndrome, atherosclerosis, type 2 diabetes mellitus and various cardiovascular diseases. Previous studies have highlighted several potential strategies to up-regulate adiponectin secretion and function, including visceral fat reduction through diet therapy and exercise, administration of exogenous adiponectin, treatment with peroxisome proliferator-activating receptor gamma (PPARγ) agonists (e.g., thiazolidinediones (TZDs)) and ligands (e.g., bezafibrate and fenofibrate) or the blocking of the renin-angiotensin system. Likewise, the up-regulation of the expression and stimulation of adiponectin receptors by using adiponectin receptor agonists would be an effective method to treat obesity-related conditions. Notably, adiponectin is an abundantly expressed bioactive protein that also exhibits a wide spectrum of biological properties, such as insulin-sensitizing, anti-diabetic, anti-inflammatory and anti-atherosclerotic activities. Although targeting adiponectin and its receptors has been useful for treating diabetes and other metabolic-related diseases in experimental studies, current drug development based on adiponectin/adiponectin receptors for clinical applications is scarce, and there is a lack of available clinical trial data. This comprehensive review discusses the strategies that are presently being pursued to harness the potential of adiponectin up-regulation. In addition, we examined the current status of drug development and its potential for clinical applications.
    Matched MeSH terms: Hyperuricemia/blood
  5. Mohamed Isa SSP, Ablat A, Mohamad J
    Molecules, 2018 Feb 13;23(2).
    PMID: 29438299 DOI: 10.3390/molecules23020400
    Plumeria rubra Linn of the family Apocynaceae is locally known in Malaysia as "Kemboja". It has been used by local traditional medicine practitioners for the treatment of arthritis-related disease. The LCMS/MS analysis of the methanol extract of flowers (PR-ME) showed that it contains 3-O-caffeyolquinic acid, 5-caffeoquinic acid, 1,3-dicaffeoquinic acid, chlorogenic acid, citric acid, 3,3-di-O-methylellagic acid, kaempferol-3-O-glucoside, kaempferol-3-rutinoside, kaempferol, quercetin 3-O-α-l-arabinopyranoside, quercetin, quinic acid and rutin. The flower PR-ME contained high amounts of phenol and flavonoid at 184.632 mg GAE/g and 203.2.2 mg QE/g, respectively. It also exhibited the highest DPPH, FRAP, metal chelating, hydrogen peroxide, nitric oxide superoxide radical scavenging activity. Similarly, the XO inhibitory activity in vitro assay possesses the highest inhibition effects at an IC50 = 23.91 μg/mL. There was no mortality or signs of toxicity in rats at a dose of 4 g/kg body weight. The administration of the flower PR-ME at doses of 400 mg/kg to the rats significantly reduced serum uric acid 43.77%. Similarly, the XO activity in the liver was significantly inhibited by flower PR-ME at doses of 400 mg/kg. These results confirm that the flower PR-ME of P. rubra contains active phytochemical compounds as detected in LCMS/MS that contribute to the inhibition of XO activity in vitro and in vivo in reducing acid uric level in serum and simultaneously scavenging the free radical to reduce the oxidative stress.
    Matched MeSH terms: Hyperuricemia/blood
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