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Huma Siddiqui, Tsute Chen, Ardita Aliko, Piotr M Mydel, Roland Jonsson, Ingar Olsen
BACKGROUND: Reduced salivation is considered a major clinical feature of most but not all cases of primary Sjögren's syndrome (pSS). Reduced saliva flow may lead to changes in the salivary microbiota. These changes have mainly been studied with culture that typically recovers only 65% of the bacteria present. OBJECTIVE: This study was to use high throughput sequencing, covering both cultivated and not-yet-cultivated bacteria, to assess the bacterial microbiota of whole saliva in pSS patients with normal salivation...
2016: Journal of Oral Microbiology
Satoshi Izumi, Guang Hong, Koh Iwasaki, Masayuki Izumi, Yusuke Matsuyama, Mirei Chiba, Takashi Toda, Tada-Aki Kudo
The taste detection system for oral fatty acid may be related to obesity. In addition, sleep is intrinsically and closely related to food intake and metabolism. However, the association of gustatory salivation with body mass index (BMI), daytime sleepiness, or sleep habits is largely unknown. Therefore, we evaluated the relationship between gustatory salivation and BMI, Epworth sleepiness scale (ESS, a daytime sleepiness scale) or sleep habits among 26 healthy young individuals (20 males and 6 females; mean age: 26...
2016: Tohoku Journal of Experimental Medicine
Ademar Francisco de Oliveira, Gêssyca Adryene de Menezes Silva, Débora Milenna Xavier Almeida
Amyotrophic lateral sclerosis is a progressive and fatal neurodegenerative disease characterized by the degeneration of motor neurons, which are the central nervous system cells that control voluntary muscle movements. The excessive salivation (sialorrhea) is present in approximately 50% of amyotrophic lateral sclerosis cases. Thus, some alternative therapeutic methods are sought, such as anticholinergic drugs and surgery. Recently the use of botulinum toxin applied at a midpoint of the salivary glands, often guided by ultrasound, have demonstrated positive results...
July 2016: Einstein
Xian Qian, Xiaolu Shi, Hongyi Wang
OBJECTIVE: To investigate the effects of paeoniflorin, the main monomer component of Jinxueyuan granules, on the Ca(2+) concentrations in salivary gland cells to further explore the salivation-promoting mechanism and effective monomer components of Jinxueyuan granules. METHODS: The salivary gland cells of suckling rats were cultured in vitro and loaded with a Fluo-3AM fluorescent probe, and changes in the intracellular Ca(2+) concentrations were observed using a confocal laser scanning microscope...
2016: American Journal of Translational Research
Hirotaka Ueda, Mayu Suga, Takakazu Yagi, Ikue Kusumoto-Yoshida, Hideki Kashiwadani, Tomoyuki Kuwaki, Shouichi Miyawaki
The aim of this study was to clarify the effect of vagal afferent activation on salivation and swallowing-like events. Salivation is part of a reflex induced by stimulation of the oral area during feeding or chewing. Recently, we reported that nausea induced by gastro-esophageal reflux (GER) activation produced salivation and swallowing in humans. Here, we investigated the ability of visceral sensation to enhance salivation and swallowing in rodents in order to inform the mechanism of GER-mediated stomatognathic activation...
October 5, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
Mohamed B Abou-Donia, Briana Siracuse, Natasha Gupta, Ashly Sobel Sokol
Sarin (GB, O-isopropyl methylphosphonofluoridate) is a potent organophosphorus (OP) nerve agent that inhibits acetylcholinesterase (AChE) irreversibly. The subsequent build-up of acetylcholine (ACh) in the central nervous system (CNS) provokes seizures and, at sufficient doses, centrally-mediated respiratory arrest. Accumulation of ACh at peripheral autonomic synapses leads to peripheral signs of intoxication and overstimulation of the muscarinic and nicotinic receptors, which is described as "cholinergic crisis" (i...
October 5, 2016: Critical Reviews in Toxicology
Nikolina Petrušić, Martina Posavac, Ivan Sabol, Marinka Mravak-Stipetić
AIM: The purpose of this study was to examine the detrimental effect of smoking on the function of the salivary glands. MATERIAL AND METHODS: The study was conducted on 60 patients who were divided into two groups: a test group which included smokers and control group represented by non-smokers. Each group included 30 patients. General information was collected from all the respondents via a questionnaire as well as the data on the duration of smoking and number of cigarettes smoked per day...
December 2015: Acta Stomatologica Croatica
Erik Jarefors, Thomas Hansson
OBJECTIVE: The vascularised free fibular flap is considered to be a reliable choice for reconstruction of oromandibular defects, especially after resection of malignant tumours in the area. This study evaluates the functional outcome of this method. METHOD: From January 2001 - May 2014, 37 patients were treated at the University Hospital of Linköping using the free fibular flap. The authors present the results from 17. This study reviewed their records and used the University of Washington Quality-of-Life questionnaire (UW-QoL), the Head and Neck Performance Status Scale (PSS), and interviews to assess their outcome...
August 15, 2016: Journal of Plastic Surgery and Hand Surgery
Jong-Min Kim, Jun-Seop Shin, Byoung-Hoon Min, Hyun-Je Kim, Jung-Sik Kim, Il-Hee Yoon, Won-Young Jeong, Ga-Eul Lee, Min-Sun Kim, Ju-Eun Kim, Sang-Man Jin, Chung-Gyu Park
BACKGROUND: Diabetes mellitus (DM) model using streptozotocin (STZ) which induces chemical ablation of β cell in the pancreas has been widely used for various research purposes in non-human primates. However, STZ has been known to have a variety of adverse effects such as nephrotoxicity, hepatotoxicity, and even mortality. The purpose of this study is to report DM induction by STZ, toxicity associated with STZ and procedure and complication of exogenous insulin treatment for DM management in rhesus monkeys (Macaca mulatta) that are expected to be transplanted with porcine islets within 2 months...
September 27, 2016: Xenotransplantation
B Zollers, M Huebner, G Armintrout, L C Rausch-Derra, L Rhodes
The objective of the study was to evaluate the safety of capromorelin, a ghrelin agonist that stimulates appetite and causes increased body weight and the release of growth hormone (GH). Beagle dogs (n = 32) received either oral placebo or 0.3, 7, or 40 mg/kg capromorelin once daily for 12 consecutive months. Safety was evaluated by physical examinations, including ECG and ophthalmic examinations, and comprehensive clinical pathology. Serum levels of capromorelin, GH, and insulin-like growth factor 1 (IGF-1) were measured periodically...
September 25, 2016: Journal of Veterinary Pharmacology and Therapeutics
Cordelia A Running, John E Hayes
Saliva is becoming an increasingly useful research material across multiple fields of inquiry, including biomedical, dental, psychological, nutritional, and food choice research. However, both the flow rate and protein composition of stimulated saliva differ as a function of the collection method. We hypothesized that the context in which a stimulus is presented to participants may alter salivation via top down cognitive effects and/or behavioral changes (i.e., spitting efficiency). We presented participants with one stimulus (commercially available green tea) in two distinct contexts, once where the tea was described as a food item ("tea") and once where it was described as a disgusting non-food item ("rabbit hair extract")...
September 20, 2016: Physiology & Behavior
Eunsook Park, Mee-Young Lee, Chang-Seob Seo, Sae-Rom Yoo, Woo-Young Jeon, Hyeun-Kyoo Shin
BACKGROUND: Melandrii Herba, a medicinal plant, has been used in Korea for treatment of bacterial and fungal infection. However, the safety and toxicity of Melandrii Herba have not yet been established. Therefore, we investigated the acute and subacute toxicity of an ethanolic extract of Melandrii Herba (MHEE) in Crl:CD Sprague Dawley rats and cytotoxicity of MHEE in vitro. METHODS: To study acute toxicity, rats were treated with MHEE at single doses of 0, 500, 1000, and 2000 mg/kg administered by oral gavage, and body weight, clinical signs, and mortality were observed after dosing...
2016: BMC Complementary and Alternative Medicine
Prasannkumar R Vasava, R G Jani, H V Goswami, S D Rathwa, F B Tandel
AIM: This study was planned to reveal the clinical signs and biochemical alterations in pregnancy toxemic goats. MATERIALS AND METHODS: Blood samples were collected from 20 healthy pregnant and 45 pregnancy toxemic goats and analyzed biochemically. RESULTS: The most significant clinical findings were observed in naturally affected goats with pregnancy toxemia included anorexia, recumbency, lethargy, opisthotonos, dropped head, periodic convulsion, sweetish fruity odor from breath, apparent blindness, bloat, grinding of teeth, and frothy salivation...
August 2016: Veterinary World
Gabriel Cerqueira Alves Costa, Adriana Coelho Soares, Marcos Horácio Pereira, Nelder Figueiredo Gontijo, Maurício Roberto Viana Sant'Anna, Ricardo Nascimento Araujo
Ornithodoros rostratus is an argasid tick and its importance is based on its hematophagy and the resulting transmission of pathogens such as Rickettsia rickettsii and Coxiella burnetii unto its vertebrate hosts. In the face of a lack of physiological studies related to hematophagy in argasid ticks, this paper aims to identify and characterize the events that occur throughout the feeding by O. rostratus on live hosts. Electrical signals and alterations on the feeding site were monitored using intravital microscopy and electromyography...
September 13, 2016: Journal of Experimental Biology
Andrea Cattai, Silvia Levorato, Paolo Franci
A 1-year-old healthy female cross-breed dog, weighing 4.5 kg, was scheduled for elective neutering. Fentanyl (5 µg/kg) and propofol (4 mg/kg) were administered intravenously (IV) to induce anesthesia, which was maintained with isoflurane and a constant fentanyl infusion rate (10 µg/kg/hr). During the recovery from the anesthesia, the presence of bilateral dense submandibular masses was recognized, as was the excessive secretion of saliva. An ultrasound examination was performed and revealed bilateral abnormally-diffused enlargement of the submandibular salivary glands...
September 11, 2016: Journal of Veterinary Medical Science
A Siddika, A M Ferdousi, S Zaman, N Shahpor
Submandibular salivary gland system is commonly affected with sialolith (calculus) and victim suffers painful acute symptoms. Sialoliths usually are of 1-15mm in size. Although rarely giant sialoliths are seen, a giant torpedo sialolith of about 41mm × 9mm within the submandibular salivary duct is reported which was removed intraorally under local analgesia. Post-operatively, within six weeks salivation through duct was evidenced showing the process of re-establishment of salivary function.
July 2016: Mymensingh Medical Journal: MMJ
A F C Greenslade, J L Ward, J L Martin, D I Corol, S J Clark, L E Smart, G I Aradottir
Crop protection is an integral part of establishing food security, by protecting the yield potential of crops. Cereal aphids cause yield losses by direct damage and transmission of viruses. Some wild relatives of wheat show resistance to aphids but the mechanisms remain unresolved. In order to elucidate the location of the partial resistance to the bird cherry-oat aphid, Rhopalosiphum padi, in diploid wheat lines of Triticum monococcum, we conducted aphid performance studies using developmental bioassays and electrical penetration graphs, as well as metabolic profiling of partially resistant and susceptible lines...
May 2016: Annals of Applied Biology
Wenbin Lei, Pei Li, Yongqiang Han, Shaolong Gong, Lang Yang, Maolin Hou
Plant viruses are primarily transmitted by insect vectors and virus infection may influence on the vectors' feeding behaviors. Using an electrical penetration graph, we detected that infection with the Southern rice black-streaked dwarf virus (SRBSDV) in the white-backed planthopper (WBPH) and in rice plants both altered the vector's feeding behavior. When viruliferous WBPH (carrying SRBSDV) were fed on uninfected plants, they spent more time in salivation and phloem sap ingestion than non-viruliferous insects...
2016: Scientific Reports
Mahmood Rafiq, Shadi Almasry, Anas Abdulrahman, Mazen Al-Sohabani, Joseph D Tobias
Crisponi syndrome is an autosomal recessive disorder characterized by intermittent episodes of muscular contraction of the facial muscles with trismus and excessive salivation simulating a tetanic spasm. These episodes occur in response to tactile stimulation or during crying. Associated physical and constitutional findings include characteristic facial anomalies, camptodactyly, intermittent hyperthermia, and feeding difficulties. We present a 15-month-old girl who required anesthetic care during laparoscopic fundoplication and gastric tube insertion...
June 2016: Middle East Journal of Anesthesiology
Ji-Seok Han, Byoung-Seok Lee, So-Ri Han, Hyoung-Yun Han, Moon-Koo Chung, Byung-Sun Min, Ji Hyeon Seok, Yong-Bum Kim
Radix Dipsaci, the dried root of Dipsacus asperoides C.Y. Cheng & T.M.Ai, has therapeutic effects on various disorders, and in particular, bone and joint disease. Despite such ethnomedicinal benefits, there is very little information regarding its in vivo toxicity or adverse effects. This study was conducted to evaluate the potential toxicity of the Radix Dipsaci water Extract (RD-wE) by using F344 rats. The RD-wE was administered orally to rats at doses of 0, 125, 250, 500, 1000, and 2000 mg/kg body weight (bw)/day for 13 weeks...
July 29, 2016: Regulatory Toxicology and Pharmacology: RTP
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