INDIVIDUALADAPTATIONSOFTHEHUMANLUNG'SMICROSCOPICANDBRONCHIALSTRUCTURETOENVIRONMENTALCHANGES

Zenodo (CERN European Organization for Nuclear Research) 2026 Dataset Open access

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Authors: KomilovaMohinabonuBobirqiz
DOI: 10.5281/zenodo.18794068
Cited by: 0

Abstract

Environmentalfactorssuchasairpollution,airborneparticulatematter,industrialemissions,allergens,andclimaticvariabilityexertcontinuousstressontherespiratorysystem.Themicroscopicandbronchialcomponentsofthehumanlung,beingdirectlyexposedtoinhaledagents,demonstratestructuralplasticitythatreflectsbothadaptiveandpotentiallypathologicalremodeling.Thisstudyinvestigatesthemorphologicaladaptationsoflungmicrostructureandbronchialarchitectureundervaryingenvironmentalconditions.Acomparativemorphologicalanalysiswasconductedusinghistologicalandmorphometrictechniquesonlungtissuesamplesobtainedfromindividualsresidinginecologicallydiverseregions.Parametersassessedincludedbronchialwallthickness,gobletcelldensity,ciliaryepitheliumintegrity,alveolarseptalthickness,interstitialfibrosis,andinflammatorycellinfiltration.Statisticalevaluationwasappliedtodeterminesignificantstructuralvariationsassociatedwithenvironmentalexposurelevels.Individualsexposedtopollutedenvironmentsexhibitedbronchialepithelialhyperplasia,increasedgobletcellproliferation,enhancedmucusproduction,andpartialciliarydysfunction.Atthealveolarlevel,septalthickening,microvascularremodeling,andmoderateinterstitialfibrosiswereobserved.Incontrast,samplesfromlow-pollutionregionsdemonstratedpreservedepithelialintegrityandminimalinflammatorychanges,consistentwithphysiologicalnorms.Thefindingsindicatethatenvironmentalstressorsinducecompensatorystructuraladaptationsinbothmicroscopicandbronchiallungcomponents.Whilethesechangesinitiallyserveprotectiveandregulatoryfunctions,prolongedexposuremaycontributetoairwayobstruction,impairedgasexchange,andprogressiverespiratorydysfunction.Thestudyunderscoresthedynamicinterplaybetweenenvironmentalconditionsandpulmonarystructuralremodeling

Fields of Study & Subjects

Air Quality and Health Impacts Chronic Obstructive Pulmonary Disease (COPD) Research Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis

Publication details

Journal / source
Zenodo (CERN European Organization for Nuclear Research)
Publication date
26 February 2026
Language
EN
Document type
Dataset