2022
Hyperinsulinemia induces early and dyssynchronous puberty in lean female mice.
Saleh FL, Joshi AA, Tal A, Xu P, Hens J, Wong SL, Flannery C. Hyperinsulinemia induces early and dyssynchronous puberty in lean female mice. Journal Of Endocrinology 2022, 254: 121-135. PMID: 35904489, PMCID: PMC9837806, DOI: 10.1530/joe-21-0447.Peer-Reviewed Original ResearchConceptsVaginal openingInsulin resistanceDay of VOIGF-1 levelsInsulin-like growth factor 1 receptorGreater insulin resistanceHigher insulin levelsEffect of hyperinsulinemiaGrowth factor 1 receptorGonadotropin-releasing hormoneLower body weightFactor 1 receptorReceptor isoform expressionMammary gland developmentLH levelsInsulin levelsInsulin receptor isoform expressionKisspeptin expressionChildhood obesityFemale miceHormone levelsEarly initiationHyperinsulinemiaBody weightOvarian folliclesPTHrP induces STAT5 activation, secretory differentiation and accelerates mammary tumor development
Grinman DY, Boras-Granic K, Takyar FM, Dann P, Hens JR, Marmol C, Lee J, Choi J, Chodosh LA, Sola MEG, Wysolmerski JJ. PTHrP induces STAT5 activation, secretory differentiation and accelerates mammary tumor development. Breast Cancer Research 2022, 24: 30. PMID: 35440032, PMCID: PMC9020078, DOI: 10.1186/s13058-022-01523-1.Peer-Reviewed Original ResearchConceptsOverexpression of PTHrPSecretory differentiationEpithelial cellsPTHrP overexpressionTumor latencyBreast cancerMammary epithelial cellsType 1 PTH/PTHrP receptorMMTV-PyMT breast cancer modelPTH/PTHrP receptorMMTV-PyMT miceMammary tumor developmentBreast cancer riskBreast cancer biologyExpression of PTHrPHormone-related proteinHuman breast cancerBreast cancer modelE74-like factor 5Normal mammary epithelial cellsBreast cancer progressionMouse mammary tumorsExpression of markersAlveolar epithelial cellsLuminal epithelial cells
2016
Methionine-restricted diet inhibits growth of MCF10AT1-derived mammary tumors by increasing cell cycle inhibitors in athymic nude mice
Hens JR, Sinha I, Perodin F, Cooper T, Sinha R, Plummer J, Perrone CE, Orentreich D. Methionine-restricted diet inhibits growth of MCF10AT1-derived mammary tumors by increasing cell cycle inhibitors in athymic nude mice. BMC Cancer 2016, 16: 349. PMID: 27255182, PMCID: PMC4891836, DOI: 10.1186/s12885-016-2367-1.Peer-Reviewed Original ResearchConceptsMethionine restrictionMR miceMR dietCell cycle inhibitorsNude micePlasma amino acid concentrationsBreast cancer xenograft modelCancer xenograft modelAthymic nude miceBreast cancer cell linesTumors of miceCycle inhibitorsMDA-MB-231 cellsConventional cancer therapiesAqueous One Solution Cell ProliferationCell Titer 96MDA-MB-231Cancer cell linesProgression of cancerInsulin sensitivityMammary gland tissuePlasma concentrationsMammary tumorsSmall tumorsAmino acid concentrationsMethionine restriction beyond life‐span extension
Ables GP, Hens JR, Nichenametla SN. Methionine restriction beyond life‐span extension. Annals Of The New York Academy Of Sciences 2016, 1363: 68-79. PMID: 26916321, DOI: 10.1111/nyas.13014.Peer-Reviewed Original ResearchConceptsMethionine restrictionLife span extensionPossible downstream effectorsMitochondrial oxidative stressAge-related diseasesCystathionine β-synthaseIntracellular regulatory mechanismsEpigenetic mechanismsNoncoding RNAsDownstream effectorsSpecific genesReactive oxygen speciesRegulatory mechanismsCell cycleBody sizeMethionine cycleEpigeneticsCancer progressionΒ-synthaseDietary methionine restrictionCell apoptosisFactor 1Fibroblast growth factor 21Hepatic glucose metabolismInsulin-like growth factor-1
2012
The role and function of cadherins in the mammary gland
Andrews JL, Kim AC, Hens JR. The role and function of cadherins in the mammary gland. Breast Cancer Research 2012, 14: 203. PMID: 22315958, PMCID: PMC3496113, DOI: 10.1186/bcr3065.Peer-Reviewed Original ResearchConceptsMesenchymal-epithelial transitionEpithelial-mesenchymal transitionFunction of cadherinsMammary glandMechanism of regulationCell-cell contactPartial epithelial-mesenchymal transitionMetastatic cancer cellsLarge superfamilyNormal physiological conditionsTransmembrane receptorsCell motilityHeterophilic interactionsCadherinCadherin expressionCancer cellsMesenchymal markersPhysiological conditionsEpithelial cellsCurrent understandingRegulationMotilityDifferent organ systemsExpressionProliferation
2005
Key stages of mammary gland development: Molecular mechanisms involved in the formation of the embryonic mammary gland
Hens JR, Wysolmerski JJ. Key stages of mammary gland development: Molecular mechanisms involved in the formation of the embryonic mammary gland. Breast Cancer Research 2005, 7: 220. PMID: 16168142, PMCID: PMC1242158, DOI: 10.1186/bcr1306.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsMammary gland developmentEmbryonic mammary glandGland developmentMolecular mechanismsEmbryonic mammary gland developmentMammary glandProtein signalingMore genesFibroblast growth factorSignaling pathwaysFunctional roleGrowth factorWntGenesKey stagesSignalingMesenchymePathwayMechanismGlandEpidermisDevelopment
2000
Introduction of the human growth hormone gene into the guinea pig mammary gland by in vivo transfection promotes sustained expression of human growth hormone in the milk throughout lactation
Hens J, Amstutz M, Schanbacher F, Mather I. Introduction of the human growth hormone gene into the guinea pig mammary gland by in vivo transfection promotes sustained expression of human growth hormone in the milk throughout lactation. Biochimica Et Biophysica Acta 2000, 1523: 161-171. PMID: 11042380, DOI: 10.1016/s0304-4165(00)00117-3.Peer-Reviewed Original ResearchConceptsHuman growth hormone geneGrowth hormone geneGuinea-pig mammary glandPig mammary glandHormone geneBovine mammary cellsTransfection of cellsMammary glandGene promoterBiological roleRecombinant proteinsTransgenic animalsExpression plasmidMammary cellsHuman growth hormoneCytomegalovirus promoterTransfectionSustained expressionGenesPromoterGrowth hormonePlasmid DNAMammary tissueExpressionTransfection complexes