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Prognosis value of heat-shock proteins in esophageal and esophagogastric cancer:A systematic review and meta-analysis

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World Journal of Gastrointestinal Oncology 2024年第4期16卷 1578-1595页

作者： eric toshiyuki nakamura Amanda Park Marina Alessandra Pereira Daniel Kikawa Francisco Tustumi Department of Gastroenterology Instituto do CâncerHospital das Clínicas da Universidade de São PauloFaculdade de MedicinaUniversidade de São PauloSão Paulo 01246000Brazil Department of Scientific Initiation Universidade Mogi das CruzesSão Paulo 08780911Brazil Department of Evidence-Based Medicine Centro Universitário LusíadaCentre for Evidence-Based MedicineCentro Universitário Lusíada(UNILUS)SantosBrazil Department of Surgery Hospital Israelita Albert EinsteinSão Paulo 05652900Brazil

BACKGROUND Heat shock proteins(HSPs)are molecular chaperones that play an important role in cellular protection against stress events and have been reported to be overex-pressed in many *** prognostic significance of HSPs and their regulatory factors,such as heat shock factor 1(HSF1)and CHIP,are poorly *** To investigate the relationship between HSP expression and prognosis in esophageal and esophagogastric *** A systematic review was conducted in accordance with PRISMA recommend-ations(PROSPERO:CRD42022370653),on Embase,PubMed,Cochrane,and ***,case-control,and cross-sectional studies of patients with eso-phagus or esophagogastric cancer were ***-positive patients were compared with HSP-negative,and the endpoints analyzed were lymph node metastasis,tumor depth,distant metastasis,and overall survival(OS).HSPs were stratified according to the HSP family,and the summary risk difference(RD)was calculated using a random-effect *** The final selection comprised 27 studies,including esophageal squamous cell carcinoma(21),esophagogastric adenocarcinoma(5),and mixed neoplasms(1).The pooled sample size was 3465 ***40 and 60 were associated with a higher 3-year OS[HSP40:RD=0.22;95%confidence interval(CI):0.09-0.35;HSP60:RD=0.33;95%CI:0.17-0.50],while HSF1 was associated with a poor 3-year OS(RD=-0.22;95%CI:-0.32 to-0.12).The other HSP families were not associated with long-term ***1 was associated with a higher probability of lymph node metastasis(RD=-0.16;95%CI:-0.29 to-0.04).HSP40 was associated with a lower probability of lymph node dissemination(RD=0.18;95%CI:0.03-0.33).The expression of other HSP families was not significantly related to tumor depth and lymph node or distant *** The expression levels of certain families of HSP,such as HSP40 and 60 and HSF1,are associated with long-term survival and lymph node dissemination in patients with esophageal and esophagogastric cancer.

关键词： Heat-shock proteins Heat-shock response Prognosis Esophageal neoplasms Meta-analysis

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Would behavioral thermoregulation enable pregnant viviparous tropical lizards to cope with a warmer world?

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Integrative Zoology 2017年第5期12卷 379-395页

作者： Saúl LÓPEZ-ALCAIDE Miguel nakamura eric N.SMITH Enrique MARTÍNEZ-MEYER Departament of Zoology Institute of BiologyNational Autonomous University of MexicoMexico CityMexico Center for Research in Mathematics GuanajuatoMexico Amphibian and Reptile Diversity Research Center and Department of Biology University of Texas at ArlingtonArlingtonTexasUSA

Sceloporus lizards depend on external heat to achieve their preferred temperature(Tsel)for performing physiological *** both in the field and laboratory indicates that pregnant females of this Genus select body temperatures(Tb)lower than 34℃ as higher temperatures may be lethal to ***,thermoregulation is crucial for successful embryo *** the increase in global air temperature,it is expected that the first compensatory response of species that inhabit tropical climates will be behavioral *** tested whether viviparous Sceloporus formosus group lizards in the wild exhibited differences in thermoregulatory behavior to achieve the known Tsel for developing embryos regardless of local thermal *** quantified field active body temperature,thermoregulatory behavior mechanisms(time of sighting,microhabitat used and basking time)and available microhabitat thermal conditions(*** temperature)for 10 lizard species during gestation,distributed along an altitudinal *** applied both conventional and phylogenic analyses to explore whether Tb or behavioral thermoregulation could be regulated in response to different thermal *** species showed no significant differences in field Tb during gestation regardless of local thermal *** contrast,they exhibited significant differences in their behavioral thermoregulation associated with local environmental *** on these observations,the differences in thermoregulatory behavior identified are interpreted as compensatory adjustments to local thermal *** conclude that these species may deal with higher temperatures predicted for the tropics by modulating their thermoregulatory behavior.

关键词： altitudinal gradient behavior global warming Sceloporus formosus thermal stress

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