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Matti Narkia

Serum Long-Chain n-3 Polyunsaturated Fatty Acids and Risk of Hospital Diagnosis of Atri... - 0 views

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    Serum Long-Chain n-3 Polyunsaturated Fatty Acids and Risk of Hospital Diagnosis of Atrial Fibrillation in Men. Virtanen JK, Mursu J, Voutilainen S, Tuomainen TP. Circulation. 2009 Dec 8;120(23):2315-21. Epub 2009 Nov 23. PMID: 19933935 doi: 10.1161/CIRCULATIONAHA.109.852657 Conclusions- An increased concentration of long-chain n-3 PUFAs in serum, a marker of fish or fish oil consumption, may protect against AF. Serum docosahexaenoic acid concentration had the greatest impact
Matti Narkia

Fish Intake and Risk of Incident Atrial Fibrillation -- Mozaffarian et al. 110 (4): 368... - 0 views

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    Fish intake and risk of incident atrial fibrillation. Mozaffarian D, Psaty BM, Rimm EB, Lemaitre RN, Burke GL, Lyles MF, Lefkowitz D, Siscovick DS. Circulation. 2004 Jul 27;110(4):368-73. Epub 2004 Jul 19. PMID: 15262826 doi: 10.1161/01.CIR.0000138154.00779.A5 Conclusions- Among elderly adults, consumption of tuna or other broiled or baked fish, but not fried fish or fish sandwiches, is associated with lower incidence of AF. Fish intake may influence risk of this common cardiac arrhythmia.
Matti Narkia

Human cathelicidin antimicrobial peptide (CAMP) gene is a direct target of the vitamin ... - 0 views

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    Human cathelicidin antimicrobial peptide (CAMP) gene is a direct target of the vitamin D receptor and is strongly up-regulated in myeloid cells by 1,25-dihydroxyvitamin D3.\nGombart AF, Borregaard N, Koeffler HP.\nFASEB J. 2005 Jul;19(9):1067-77.\nPMID: 15985530
Matti Narkia

[Action of soluble carbohydrates from avocado (Persea gratissima Gaertner) fruit on uti... - 0 views

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    [Action of soluble carbohydrates from avocado (Persea gratissima Gaertner) fruit on utilization of calcium in the rat] Raonimalala AF, Digaud A, Fournier P. Ann Nutr Aliment. 1980;34(4):735-44. French. PMID: 7224495
Matti Narkia

Exapation of an ancient Alu short interspersed element provides a highly conserved vita... - 0 views

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    Conclusion We demonstrated that the VDRE in the CAMP gene originated from the exaptation of an AluSx SINE in the lineage leading to humans, apes, OWMs and NWMs and remained under purifying selection for the last 55-60 million years. We present convincing evidence of an evolutionarily fixed, Alu-mediated divergence in steroid hormone nuclear receptor gene regulation between humans/primates and other mammals. Evolutionary selection to place the primate CAMP gene under regulation of the vitamin D pathway potentiates the innate immune response and may counter the anti-inflammatory properties of vitamin D. Exaptation of an ancient Alu short interspersed element provides a highly conserved vitamin D-mediated innate immune response in humans and primates. Gombart AF, Saito T, Koeffler HP. BMC Genomics. 2009 Jul 16;10:321. PMID: 19607716 doi:10.1186/1471-2164-10-321
Matti Narkia

The Vitamin D-Antimicrobial Peptide Pathway and Its Role in Protection Against Infectio... - 1 views

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    The vitamin D-antimicrobial peptide pathway and its role in protection against infection. Gombart AF. Future Microbiol. 2009 Nov;4:1151-65. PMID: 19895218 Vitamin D deficiency has been correlated with increased rates of infection. Since the early 19th century, both environmental (i.e., sunlight) and dietary sources (cod liver) of vitamin D have been identified as treatments for TB. The recent discovery that vitamin D induces antimicrobial peptide gene expression explains, in part, the 'antibiotic' effect of vitamin D and has greatly renewed interest in the ability of vitamin D to improve immune function. Subsequent work indicates that this regulation is biologically important for the response of the innate immune system to wounds and infection and that deficiency may lead to suboptimal responses toward bacterial and viral infections. The regulation of the cathelicidin antimicrobial peptide gene is a human/primate-specific adaptation and is not conserved in other mammals. The capacity of the vitamin D receptor to act as a high-affinity receptor for vitamin D and a low-affinity receptor for secondary bile acids and potentially other novel nutritional compounds suggests that the evolutionary selection to place the cathelicidin gene under control of the vitamin D receptor allows for its regulation under both endocrine and xenobiotic response systems. Future studies in both humans and humanized mouse models will elucidate the importance of this regulation and lead to the development of potential therapeutic applications
Matti Narkia

The vitamin D-antimicrobial peptide pathway and its role in protection against infectio... - 0 views

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    The vitamin D-antimicrobial peptide pathway and its role in protection against infection. Gombart AF. Future Microbiol. 2009 Nov;4:1151-65. PMID: 19895218 doi:10.2217/fmb.09.87
Matti Narkia

Mitochondrially Targeted Effects of Berberine [Natural Yellow 18, 5,6-dihydro-9,10-dime... - 0 views

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    Mitochondrially targeted effects of berberine [Natural Yellow 18, 5,6-dihydro-9,10-dimethoxybenzo(g)-1,3-benzodioxolo(5,6-a) quinolizinium] on K1735-M2 mouse melanoma cells: comparison with direct effects on isolated mitochondrial fractions. Pereira GC, Branco AF, Matos JA, Pereira SL, Parke D, Perkins EL, Serafim TL, Sardão VA, Santos MS, Moreno AJ, Holy J, Oliveira PJ. J Pharmacol Exp Ther. 2007 Nov;323(2):636-49. Epub 2007 Aug 17. PMID: 17704354 doi: 10.1124/jpet.107.128017 The present work shows that berberine is accumulated by mitochondria of a mouse melanoma cell line, leading to mitochondrial fragmentation and dysfunction, accompanied by decreased cellular energy charge. When the effect was compared with the results obtained on isolated mitochondrial fractions, it is observed that regardless of the system used, berberine is toxic for mitochondria. One major limitation of the present study (as in many others) is the lack of knowledge of the real concentration of berberine that reaches mitochondria in intact cells. Although we do not possess data regarding this aspect, it is wise to speculate that mitochondrial berberine concentrations will be much higher than in the bulk cytosol due to electrophoretic accumulation. We believe that the range of berberine concentrations accumulated by mitochondria in intact cells is within the range of concentrations used on isolated mitochondrial fractions in the present study. The present work not only provides insights on the mechanism by which berberine interferes with tumor cell proliferation, demonstrating previously unknown effects on mitochondrial physiology, but also raises a note of caution on the use of berberine as a nontoxic "natural" over-the-counter medication.
Matti Narkia

Vitamin D, nervous system and aging - ScienceDirect - Psychoneuroendocrinology - 0 views

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    Vitamin D, nervous system and aging. Tuohimaa P, Keisala T, Minasyan A, Cachat J, Kalueff A. Psychoneuroendocrinology. 2009 Aug 4. [Epub ahead of print] PMID: 19660871
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