简介：Effectsoftwodosesoftheanti-diabeticdrug,metformin(MF),onhormonalandmetaboliclevelsofserumofnon-diabeticmaleWistarratswith1,2-dimethylhydrazine(DMH)-inducedcolontumoradenocarcinomaswerestudied.Carcinogenesisintheanimalswasalsoobserved.RatswithDMH-inducedcolonadenocarcinomashadelevatedlevelsofserumglucose,insulin,insulinlikegrowthfactor-1,totalcholesterol,triglycerides,catalase,malonicdialdehyde,glycatedhemoglobin,aspartateaminotransferase,andalanineaminotransferaseanddecreasedhemoglobin.TreatmentwithtwodosesofMFnormalizedmajorityofthesechangesinDMH-treatedrats,whereasthedrugwasineffectiveinratswithoutDMHtreatment.TheonlyexceptionwasthedecreasedtriglyceridelevelsinMF-treatedrats.A100mg/kgdoseofMFincreasedDMH-inducedexophyticcoloncarcinomasanddecreasedendophytictumorscomparedwithuntreatedrats.Moreover,bothMFdosesincreasedDMH-inducedandhighlydifferentiatedtumorsanddecreasedtheinvasivenessofcoloncarcinomascomparedwithratsprovidedwithDMHandwater.Therefore,effectsofMFonmetabolichomeostasisarecriticalforpreventingcoloncancer.

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简介：Non-smallcelllungcancer(NSCLC)ranksastheleadingcauseofcancer-relateddeathintheworld.Brainmetastasis(BM)isacommoncomplicationofNSCLC,with25%–40%ofpatientsdevelopingBMduringthecourseofthedisease.Asignificantstrategyoflocaldiseasecontrolinthecentralnervoussystemisradiationtherapy.Withthedevelopmentofprecisionmedicine,theconceptoftreatinglungcancerBMhasgraduallychanged.Inthiscase,weperformedasurgicalproceduretoobtainenoughtumortissueforthedetectionofthetargetgeneandotherrelatedexperimentsafterthepatientwasinformed.Finally,wefoundthatthepatienthadbothhepatocytegrowthfactorreceptor(MET)geneamplificationandkinesinlightchain1-anaplasticlymphomakinasefusion(KLC1-ALK)throughnext-generationsequencingandshowedsensitivitytothetargetedtherapyofcrizotinib.Thepatientexhibitedgoodresponse.Ourcasewassuccessfulandunderwenttargetedtherapywiththeguidanceofprecisediagnosis.