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Sour, the taste of acids, provides important sensory information to prevent the ingestion of unripe, spoiled, or fermented foods. In mammals, acids elicit disgust and pain by simultaneously activating taste and somatosensory neurons innervating the oral cavity. Early researchers detected electrical activity in taste nerves upon presenting acids to the tongue, establishing this as the bona fide sour taste. Recent studies have made significant contributions to our understanding of the mechanisms underlying acid sensing in the taste receptor cells at the periphery and the neural circuitry that convey this information to the brain. In this chapter, we discuss the characterization of sour taste receptor cells, the twists and turns eventually leading to the identification of Otopetrin1 (OTOP1) as the sour taste receptor, the pathway of sour taste signaling from the tongue to the brainstem, and other roles sour taste receptor cells play in the taste bud.
Pignat's partial laryngectomy with crico-hyoido-epiglotto-plasty (CHEPL) is a vertical laryngectomy with resection of the anterior portion of the thyroid cartilage and reconstruction with a wires net and the subhyoid muscles. The aim of this retrospective study was to evaluate and analyze oncologic and functional outcomes in patients affected by laryngeal squamous cell carcinoma and treated with Pignat's partial laryngectomy.

Seventy patients with cT1-cT3 glottic cancer were surgically treated with Pignat's technique.

invasion of posterior cricoid arch, more than 3 mm under glottis, of more than one arytenoid, of posterior portion of thyroid cartilage, of the suprahyoid epiglottis. Overall survival, disease free survival, rates of decannulation and enteral feeding were analyzed.

23 (32.9%) pT1, 37 (52.9%) pT2, 5 (7.1%) pT3, 5 (7.1%) pT4a, 64 (91.5%) pN0, 5 (7.1%) pN1, 1 (1.4%) pN2. Adjuvant treatment was administered to 13 patients (18.6%). All patients had tracheotomy. Five year OS and DFS were 81.66 and 77.95%, respectively. A statistically significant DFS difference was observed between early and late stages. Five year local control was 81.16%. Five year larynx preservation rate was 89.16%. Median decannulation time was 12 days. Median duration of enteral nutrition was 16 days. All patients achieved efficient phonation.

Pignat's partial laryngectomy with CHEPL can represent an alternative to horizontal supracricoid laryngectomy to achieve laryngeal preservation. Good oncologic and functional outcomes are possible as long as indications are followed.
Pignat's partial laryngectomy with CHEPL can represent an alternative to horizontal supracricoid laryngectomy to achieve laryngeal preservation. Good oncologic and functional outcomes are possible as long as indications are followed.Taro reovirus (TaRV) has been reported infecting taro (Colocasia esculenta) in the South Pacific, but information on the virus is limited. Here, we report the genome sequence of a reovirus infecting taro in Papua New Guinea that had 10 genomic segments ranging from 1.1 to 3.9 kilobase pairs (kbp) in length with a total genome length of 26.3 kbp. TaRV was most closely related to rice ragged stunt virus (RRSV) but did not cross-react with RRSV polyclonal antisera. TaRV was not detected in 82 germplasm accessions of taro in Hawaii, or samples collected in American Samoa, Fiji, Guam, Palau, or Vanuatu.This work describes the characterization and genome annotation of the newly isolated lytic phage vB_SsoM_Z31 (referred to as Z31), isolated from wastewater samples collected in Dalian, China. Transmission electron microscopy revealed that phage Z31 belongs to the family Myoviridae, order Caudovirales. This phage specifically infects Shigella sonnei, Shigella dysenteriae, and Escherichia coli. The genome of the phage Z31 is an 89,355-bp-long dsDNA molecule with a G+C content of 38.87%. It was predicted to contain 133 ORFs and encode 24 tRNAs. No homologs of virulence factor genes or antimicrobial resistance genes were found in this phage. Based on the results of nucleotide sequence alignment and phylogenetic analysis, phage Z31 was assigned to the genus Felixounavirus, subfamily Ounavirinae.The aim of this study was to investigate the outcome of histological subtype review of high-grade endometrial carcinoma (EC) and its prognostic impact in a large well-documented Danish nationwide cohort. From the Danish Gynecological Cancer Database (DGCD) 2005-2012 cohort, we included 425 patients with an original diagnosis of high-grade EC, independent of histologic subtype. Of these, at least one hematoxylin and eosin (H&E)-stained slide from 396 cases (93.2%) was available for review. The histologic subtype was reviewed by specialized gynecopathologists blinded to the original diagnosis and clinical outcome. Interobserver variability between original and revised histologic subtypes was analyzed using simple Kappa statistics. Hazard ratios (HR), recurrence-free survival (RFS), and overall survival were calculated for original and revised subtypes, respectively. Overall histologic subtype agreement was moderate (kappa = 0.42) with the highest agreement for endometrioid-type EC (EEC; 75.5%) and serous-type EC (SEC; 63.8%). For clear cell carcinoma and un-/dedifferentiated EC, agreement was significantly lower 30.1% and 33.3% respectively. Of the 396 reviewed cases, only two (0.5%) were re-classified as low-grade EEC upon revision. Interestingly, GR3 EEC had better RFS than SEC with stronger significance after revision (HR 2.36 (95% CI 1.43-3.89), p = 0.001), compared to original diagnosis (HR 1.74 (95% CI 1.07-2.81), p = 0.024). In conclusion, this study confirmed that pathology review results in substantial shift in histological subtype in high-grade EC. After review, a stronger prognostic benefit for GR3 EEC as compared to other histological subtypes was observed. This work supports maintaining a low threshold for pathology revision of high-grade EC in clinical practice.The diagnosis and treatment of head and neck cancer (HNC) can have substantial impact on swallowing function, nutritional balance, physical function and quality of life (QoL). https://www.selleckchem.com/products/h-cys-trt-oh.html Early initiated swallowing exercises are hypothesized to improve swallowing function in HNC patients. The aim was to investigate the effects of swallowing exercises and progressive resistance training (PRT) during radiotherapy on swallowing function, physical function and QoL in patients with pharynx-, larynx-, oral cavity cancer or unknown primary compared to usual care. In a multi-centre RCT participants were assigned to (a) twice-weekly PRT and daily swallowing exercises throughout treatment or (b) usual care. Outcomes were measured at end of treatment and 2, 6 and 12 months after. Primary outcome was penetration aspiration score (PAS). Data were analysed on an "intention-to-treat" basis by GEE logistic regression model, linear mixed effects model and cox regression. Of 371 invited HNC patients, 240 (65%) enrolled. Five participants were excluded.
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