Publications by authors named "Kensaku Sakae"

Little is known about the effectiveness of pharmacotherapy in dissociative identity disorder (DID). Zinc is essential for proper brain function. Its deficiency can lead to mental health symptoms, possibly contributing to dissociation.

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Background: Zinc plays an important role in appetite regulation. L-Carnosine, an endogenous dipeptide, may also regulate eating behavior via its histaminergic and antiglutamatergic properties. Polaprezinc (zinc-L-carnosine complex) is a medication for gastric ulcers.

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Polaprezinc (zinc L-carnosine complex) is a tablet commonly prescribed for gastric ulcers in Japan. Recently, we reported the effects of polaprezinc on pressure ulcer healing at 4-week follow-up. We aimed to further evaluate the efficacy and safety of polaprezinc in 8-week treatment for chronic pressure ulcers.

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Background: L-carnosine (CAR) is an endogenous dipeptide. We aimed to determine the effects of CAR and its zinc complex polaprezinc (PLZ) on pressure ulcer healing in institutionalized long-term care patients.

Methods: This study was a nonrandomized controlled trial with a maximum 4-week follow-up.

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To elucidate the pathophysiology of zinc (Zn)-induced iron (Fe) deficiency anemia (IDA), we examined hemoglobin (Hb) concentrations, hematocrit (Ht) levels, numbers of circulating red blood cells (RBC) and reticulocytes, values of mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH) and mean corpuscular hemoglobin concentration (MCHC), serum Zn, Fe and erythropoietin (EPO) concentrations and histopathological changes in the bone marrow, spleen and liver using rats fed with a standard or high Zn diet for 20 weeks. Rats fed with the high Zn diet exhibited a significant decrease in Hb concentrations, Ht levels and MCV, MCH and MCHC values, indicating microcytic hypochromic anemia characterized by Fe deficiency. Also, a marked decrease in serum Fe concentrations was seen in rats fed with the high Zn diet relative to rats fed with the standard diet.

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The pattern of growth hormone (GH) secretion is sexually dimorphic in rats. We have previously shown that the secretory pattern in adult ovariectomized (OVX) female rats is masculinized by the administration of a single dose of dihydrotestosterone (DHT), a nonaromatizable androgen. To investigate the primary site of action of DHT in the brain, a small amount of DHT was injected directly into a defined area of the brain, and the blood GH profile was observed for 18 h in conscious adult OVX female rats.

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