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Proprietary arabinogalactan extract increases antibody response to the pneumonia vaccine: a randomized, double-blind, placebo-controlled, pilot study in healthy volunteers

Background: Arabinogalactan from Larch tree (Larix spp.) bark has previously demonstrated immunostimulatory activity. The purpose of this study was to...

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Lactobacilli Supplemented with Larch Arabinogalactan and Colostrum Stimulates an Immune Response towards Peripheral NK Activation and Gut Tolerance

Probiotics possibly affect local and systemic immune reactions and maintain the intestinal immune homeostasis in healthy individuals and patients with...

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Does larch arabinogalactan enhance immune function? A review of mechanistic and clinical trials

The common cold is a viral infection with important economic burdens in Western countries. The research and development of nutritional...

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Larch arabinogalactan: clinical relevance of a novel immune-enhancing polysaccharide

Larch arabinogalactan is composed of greater than 98-percent arabinogalactan, a highly branched polysaccharide consisting of a galactan backbone with side-chains...

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[Social isolation during old age worsens cognitive, behavioral and immune impairment]

Introduction: Several studies by the World Health Organization indicate that widows and widowers show lower physical and mental health indexes...

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Regulation of natural killer cell activity by glucocorticoids, serotonin, dopamine, and epinephrine

The immune system and the nervous system are highly complex organs composed of various different cells that must interact with...

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Social isolation in mice: behavior, immunity, and tumor growth

The aim of this study was to investigate the behavioral, immunological, and neurological effects of long-term isolation in an animal...

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Psychologic stress, reduced NK cell activity, and cytokine dysregulation in women experiencing diagnostic breast biopsy

The purpose of this study was to evaluate a woman's psychological and immunological response to breast biopsy before and after...

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Sleep-deprivation reduces NK cell number and function mediated by β-adrenergic signalling

Reduction of sleep time triggers a stress response, leading to augmented levels of glucocorticoids and adrenaline. These hormones regulate components...

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