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Ultrafine particles and PM2.5 in the air of cities around the world: Are they representative of each other?

de Jesus AL, Rahman MM, Mazaheri M, Thompson H, Knibbs LD, Jeong C, Evans G, Nei W, Ding A, Qiao L, Li L, Portin H, Niemi JV, Timonen H, Luoma K, Petäjä T, Kulmala M, Kowalski M, Peters A, Cyrys J, Ferrero L, Manigrasso M, Avino P, Buonano G, Reche C, Querol X, Beddows D, Harrison RM, Sowlat MH, Sioutas C, Morawska L.

Environ Int. 2019 Aug;129:118-135. doi: 10.1016/j.envint.2019.05.021. Epub 2019 May 21.


Effects of air pollution on mitochondrial function, mitochondrial DNA methylation, and mitochondrial peptide expression.

Breton CV, Song AY, Xiao J, Kim SJ, Mehta HH, Wan J, Yen K, Sioutas C, Lurmann F, Xue S, Morgan TE, Zhang J, Cohen P.

Mitochondrion. 2019 May;46:22-29. doi: 10.1016/j.mito.2019.04.001. Epub 2019 Apr 10.


Comparison of the oxidative potential of primary (POA) and secondary (SOA) organic aerosols derived from α-pinene and gasoline engine exhaust precursors.

Lovett C, Baasiri M, Atwi K, Sowlat MH, Shirmohammadi F, Shihadeh AL, Sioutas C.

Version 2. F1000Res. 2018 Jul 9 [revised 2019 Jan 1];7:1031. doi: 10.12688/f1000research.15445.2. eCollection 2018.


Development of a novel aerosol generation system for conducting inhalation exposures to ambient particulate matter (PM).

Taghvaee S, Mousavi A, Sowlat MH, Sioutas C.

Sci Total Environ. 2019 May 15;665:1035-1045. doi: 10.1016/j.scitotenv.2019.02.214. Epub 2019 Feb 14.


Air pollution alters Caenorhabditis elegans development and lifespan: responses to traffic-related nanoparticulate matter (nPM).

Haghani A, Dalton HM, Safi N, Shirmohammadi F, Sioutas C, Morgan TE, Finch CE, Curran SP.

J Gerontol A Biol Sci Med Sci. 2019 Mar 4. pii: glz063. doi: 10.1093/gerona/glz063. [Epub ahead of print]


Source apportionment of the oxidative potential of fine ambient particulate matter (PM2.5) in Athens, Greece.

Taghvaee S, Sowlat MH, Diapouli E, Manousakas MI, Vasilatou V, Eleftheriadis K, Sioutas C.

Sci Total Environ. 2019 Feb 25;653:1407-1416. doi: 10.1016/j.scitotenv.2018.11.016. Epub 2018 Nov 7.


Exposure to Nanoscale Particulate Matter from Gestation to Adulthood Impairs Metabolic Homeostasis in Mice.

Woodward NC, Crow AL, Zhang Y, Epstein S, Hartiala J, Johnson R, Kocalis H, Saffari A, Sankaranarayanan I, Akbari O, Ramanathan G, Araujo JA, Finch CE, Bouret SG, Sioutas C, Morgan TE, Allayee H.

Sci Rep. 2019 Feb 12;9(1):1816. doi: 10.1038/s41598-018-37704-2.


Prenatal and early life exposure to air pollution induced hippocampal vascular leakage and impaired neurogenesis in association with behavioral deficits.

Woodward NC, Haghani A, Johnson RG, Hsu TM, Saffari A, Sioutas C, Kanoski SE, Finch CE, Morgan TE.

Transl Psychiatry. 2018 Nov 29;8(1):261. doi: 10.1038/s41398-018-0317-1.


Seasonal and Annual Source Appointment of Carbonaceous Ultrafine Particulate Matter (PM0.1) in Polluted California Cities.

Xue J, Xue W, Sowlat MH, Sioutas C, Lolinco A, Hasson A, Kleeman MJ.

Environ Sci Technol. 2019 Jan 2;53(1):39-49. doi: 10.1021/acs.est.8b04404. Epub 2018 Dec 10.


Nanoparticulate matter exposure results in neuroinflammatory changes in the corpus callosum.

Babadjouni R, Patel A, Liu Q, Shkirkova K, Lamorie-Foote K, Connor M, Hodis DM, Cheng H, Sioutas C, Morgan TE, Finch CE, Mack WJ.

PLoS One. 2018 Nov 5;13(11):e0206934. doi: 10.1371/journal.pone.0206934. eCollection 2018.


Diurnal variation in the proinflammatory activity of urban fine particulate matter (PM 2.5) by in vitro assays.

Lovett C, Cacciottolo M, Shirmohammadi F, Haghani A, Morgan TE, Sioutas C, Finch CE.

Version 3. F1000Res. 2018 May 15 [revised 2018 Jan 1];7:596. doi: 10.12688/f1000research.14836.3. eCollection 2018.


Impact of emissions from the Ports of Los Angeles and Long Beach on the oxidative potential of ambient PM0.25 measured across the Los Angeles County.

Mousavi A, Sowlat MH, Hasheminassab S, Polidori A, Shafer MM, Schauer JJ, Sioutas C.

Sci Total Environ. 2019 Feb 15;651(Pt 1):638-647. doi: 10.1016/j.scitotenv.2018.09.155. Epub 2018 Sep 18.


Source-specific lung cancer risk assessment of ambient PM2.5-bound polycyclic aromatic hydrocarbons (PAHs) in central Tehran.

Taghvaee S, Sowlat MH, Hassanvand MS, Yunesian M, Naddafi K, Sioutas C.

Environ Int. 2018 Nov;120:321-332. doi: 10.1016/j.envint.2018.08.003. Epub 2018 Aug 12.


Oxidative Potential of Ambient Particulate Matter in Beirut during Saharan and Arabian Dust Events.

Lovett C, Sowlat MH, Saliba NA, Shihadeh AL, Sioutas C.

Atmos Environ (1994). 2018 Sep;188:34-42. doi: 10.1016/j.atmosenv.2018.06.016. Epub 2018 Jun 13.


Pro-inflammatory responses to PM0.25 from airport and urban traffic emissions.

He RW, Shirmohammadi F, Gerlofs-Nijland ME, Sioutas C, Cassee FR.

Sci Total Environ. 2018 Nov 1;640-641:997-1003. doi: 10.1016/j.scitotenv.2018.05.382. Epub 2018 Jun 5.


Spatio-temporal trends and source apportionment of fossil fuel and biomass burning black carbon (BC) in the Los Angeles Basin.

Mousavi A, Sowlat MH, Hasheminassab S, Polidori A, Sioutas C.

Sci Total Environ. 2018 Nov 1;640-641:1231-1240. doi: 10.1016/j.scitotenv.2018.06.022. Epub 2018 Jun 7.


Associations of Source-apportioned Fine Particles with Cause-specific Mortality in California.

Berger K, Malig BJ, Hasheminassab S, Pearson DL, Sioutas C, Ostro B, Basu R.

Epidemiology. 2018 Sep;29(5):639-648. doi: 10.1097/EDE.0000000000000873.


Aging attenuates redox adaptive homeostasis and proteostasis in female mice exposed to traffic-derived nanoparticles ('vehicular smog').

Pomatto LCD, Cline M, Woodward N, Pakbin P, Sioutas C, Morgan TE, Finch CE, Forman HJ, Davies KJA.

Free Radic Biol Med. 2018 Jun;121:86-97. doi: 10.1016/j.freeradbiomed.2018.04.574. Epub 2018 Apr 27.


A Jagged 1-Notch 4 molecular switch mediates airway inflammation induced by ultrafine particles.

Xia M, Harb H, Saffari A, Sioutas C, Chatila TA.

J Allergy Clin Immunol. 2018 Oct;142(4):1243-1256.e17. doi: 10.1016/j.jaci.2018.03.009. Epub 2018 Apr 5.


Source apportionment of ambient PM2.5 in two locations in central Tehran using the Positive Matrix Factorization (PMF) model.

Taghvaee S, Sowlat MH, Mousavi A, Hassanvand MS, Yunesian M, Naddafi K, Sioutas C.

Sci Total Environ. 2018 Jul 1;628-629:672-686. doi: 10.1016/j.scitotenv.2018.02.096. Epub 2018 Feb 20.


Ambient ultrafine particles activate human monocytes: Effect of dose, differentiation state and age of donors.

Bliss B, Tran KI, Sioutas C, Campbell A.

Environ Res. 2018 Feb;161:314-320. doi: 10.1016/j.envres.2017.11.019.


Cause-specific stillbirth and exposure to chemical constituents and sources of fine particulate matter.

Ebisu K, Malig B, Hasheminassab S, Sioutas C, Basu R.

Environ Res. 2018 Jan;160:358-364. doi: 10.1016/j.envres.2017.10.015. Epub 2017 Oct 19.


Ultrafine Particle Exposure Reveals the Importance of FOXO1/Notch Activation Complex for Vascular Regeneration.

Baek KI, Packard RRS, Hsu JJ, Saffari A, Ma Z, Luu AP, Pietersen A, Yen H, Ren B, Ding Y, Sioutas C, Li R, Hsiai TK.

Antioxid Redox Signal. 2018 May 1;28(13):1209-1223. doi: 10.1089/ars.2017.7166. Epub 2017 Nov 17.


Chemical composition and redox activity of PM0.25 near Los Angeles International Airport and comparisons to an urban traffic site.

Shirmohammadi F, Lovett C, Sowlat MH, Mousavi A, Verma V, Shafer MM, Schauer JJ, Sioutas C.

Sci Total Environ. 2018 Jan 1;610-611:1336-1346. doi: 10.1016/j.scitotenv.2017.08.239. Epub 2017 Aug 30.


Source apportionment of fine particulate matter and risk of term low birth weight in California: Exploring modification by region and maternal characteristics.

Ng C, Malig B, Hasheminassab S, Sioutas C, Basu R, Ebisu K.

Sci Total Environ. 2017 Dec 15;605-606:647-654. doi: 10.1016/j.scitotenv.2017.06.053. Epub 2017 Jul 1.


Toll-like receptor 4 in glial inflammatory responses to air pollution in vitro and in vivo.

Woodward NC, Levine MC, Haghani A, Shirmohammadi F, Saffari A, Sioutas C, Morgan TE, Finch CE.

J Neuroinflammation. 2017 Apr 14;14(1):84. doi: 10.1186/s12974-017-0858-x.


Wood combustion particles induce adverse effects to normal and diseased airway epithelia.

Krapf M, Künzi L, Allenbach S, Bruns EA, Gavarini I, El-Haddad I, Slowik JG, Prévôt ASH, Drinovec L, Močnik G, Dümbgen L, Salathe M, Baumlin N, Sioutas C, Baltensperger U, Dommen J, Geiser M.

Environ Sci Process Impacts. 2017 Apr 19;19(4):538-548. doi: 10.1039/c6em00586a.


Traffic-related air pollution impact on mouse brain accelerates myelin and neuritic aging changes with specificity for CA1 neurons.

Woodward NC, Pakbin P, Saffari A, Shirmohammadi F, Haghani A, Sioutas C, Cacciottolo M, Morgan TE, Finch CE.

Neurobiol Aging. 2017 May;53:48-58. doi: 10.1016/j.neurobiolaging.2017.01.007. Epub 2017 Jan 13.


Ambient Ultrafine Particle Ingestion Alters Gut Microbiota in Association with Increased Atherogenic Lipid Metabolites.

Li R, Yang J, Saffari A, Jacobs J, Baek KI, Hough G, Larauche MH, Ma J, Jen N, Moussaoui N, Zhou B, Kang H, Reddy S, Henning SM, Campen MJ, Pisegna J, Li Z, Fogelman AM, Sioutas C, Navab M, Hsiai TK.

Sci Rep. 2017 Feb 17;7:42906. doi: 10.1038/srep42906.


Impact of biodiesel on regulated and unregulated emissions, and redox and proinflammatory properties of PM emitted from heavy-duty vehicles.

Karavalakis G, Gysel N, Schmitz DA, Cho AK, Sioutas C, Schauer JJ, Cocker DR, Durbin TD.

Sci Total Environ. 2017 Apr 15;584-585:1230-1238. doi: 10.1016/j.scitotenv.2017.01.187. Epub 2017 Jan 30.


Particulate air pollutants, APOE alleles and their contributions to cognitive impairment in older women and to amyloidogenesis in experimental models.

Cacciottolo M, Wang X, Driscoll I, Woodward N, Saffari A, Reyes J, Serre ML, Vizuete W, Sioutas C, Morgan TE, Gatz M, Chui HC, Shumaker SA, Resnick SM, Espeland MA, Finch CE, Chen JC.

Transl Psychiatry. 2017 Jan 31;7(1):e1022. doi: 10.1038/tp.2016.280.


Exposure to ambient ultrafine particulate matter alters the expression of genes in primary human neurons.

Solaimani P, Saffari A, Sioutas C, Bondy SC, Campbell A.

Neurotoxicology. 2017 Jan;58:50-57. doi: 10.1016/j.neuro.2016.11.001. Epub 2016 Nov 13.


Associations of Source-Specific Fine Particulate Matter With Emergency Department Visits in California.

Ostro B, Malig B, Hasheminassab S, Berger K, Chang E, Sioutas C.

Am J Epidemiol. 2016 Sep 15;184(6):450-9. doi: 10.1093/aje/kwv343. Epub 2016 Sep 6.


Associations between microvascular function and short-term exposure to traffic-related air pollution and particulate matter oxidative potential.

Zhang X, Staimer N, Tjoa T, Gillen DL, Schauer JJ, Shafer MM, Hasheminassab S, Pakbin P, Longhurst J, Sioutas C, Delfino RJ.

Environ Health. 2016 Jul 26;15(1):81. doi: 10.1186/s12940-016-0157-5.


Urban case studies: general discussion.

Brune W, Bloss W, Shi Z, Pope F, Fuller G, Monks PS, Tomlin A, Karl T, Hort M, Mohr C, MacKenzie R, Vlachou A, Tian Z, Kramer LJ, Heard D, Purvis R, Querol X, Baltensperger U, Dunmore R, Harrison R, Murrells T, Jimenez JL, Cross E, McFiggans G, Kiendler-Scharr A, Ho TR, Charron A, Wallington T, Krishna Kumar N, Pieber S, Geiger F, Wahner A, Mitchell E, Prévôt A, Skouloudis A, Kalberer M, McDonald B, Hewitt CN, Sioutas C, Donahue NM, Lee J, van Pinxteren D, Moller S, Minguillón MC, Shafer M, Carslaw D, Ehlers C, Pandis S.

Faraday Discuss. 2016 Jul 18;189:473-514. doi: 10.1039/C6FD90021F. No abstract available.


Associations of oxidative stress and inflammatory biomarkers with chemically-characterized air pollutant exposures in an elderly cohort.

Zhang X, Staimer N, Gillen DL, Tjoa T, Schauer JJ, Shafer MM, Hasheminassab S, Pakbin P, Vaziri ND, Sioutas C, Delfino RJ.

Environ Res. 2016 Oct;150:306-319. doi: 10.1016/j.envres.2016.06.019. Epub 2016 Jun 21.


Source apportionment of the redox activity of urban quasi-ultrafine particles (PM0.49) in Thessaloniki following the increased biomass burning due to the economic crisis in Greece.

Argyropoulos G, Besis A, Voutsa D, Samara C, Sowlat MH, Hasheminassab S, Sioutas C.

Sci Total Environ. 2016 Oct 15;568:124-136. doi: 10.1016/j.scitotenv.2016.05.217. Epub 2016 Jun 10. No abstract available.


Nanoscale Particulate Matter from Urban Traffic Rapidly Induces Oxidative Stress and Inflammation in Olfactory Epithelium with Concomitant Effects on Brain.

Cheng H, Saffari A, Sioutas C, Forman HJ, Morgan TE, Finch CE.

Environ Health Perspect. 2016 Oct;124(10):1537-1546. Epub 2016 May 17.


Development and evaluation of a novel monitor for online measurement of iron, manganese, and chromium in ambient particulate matter (PM).

Wang D, Sowlat MH, Shafer MM, Schauer JJ, Sioutas C.

Sci Total Environ. 2016 Sep 15;565:123-131. doi: 10.1016/j.scitotenv.2016.04.164. Epub 2016 May 7.


The relative importance of tailpipe and non-tailpipe emissions on the oxidative potential of ambient particles in Los Angeles, CA.

Shirmohammadi F, Hasheminassab S, Wang D, Schauer JJ, Shafer MM, Delfino RJ, Sioutas C.

Faraday Discuss. 2016 Jul 18;189:361-80. doi: 10.1039/c5fd00166h.


Stroke Damage Is Exacerbated by Nano-Size Particulate Matter in a Mouse Model.

Liu Q, Babadjouni R, Radwanski R, Cheng H, Patel A, Hodis DM, He S, Baumbacher P, Russin JJ, Morgan TE, Sioutas C, Finch CE, Mack WJ.

PLoS One. 2016 Apr 12;11(4):e0153376. doi: 10.1371/journal.pone.0153376. eCollection 2016.


Urban traffic-derived nanoparticulate matter reduces neurite outgrowth via TNFα in vitro.

Cheng H, Davis DA, Hasheminassab S, Sioutas C, Morgan TE, Finch CE.

J Neuroinflammation. 2016 Jan 26;13:19. doi: 10.1186/s12974-016-0480-3.


Oxidative potential of coarse particulate matter (PM(10-2.5)) and its relation to water solubility and sources of trace elements and metals in the Los Angeles Basin.

Shirmohammadi F, Hasheminassab S, Wang D, Saffari A, Schauer JJ, Shafer MM, Delfino RJ, Sioutas C.

Environ Sci Process Impacts. 2015 Dec;17(12):2110-21. doi: 10.1039/c5em00364d.


Fine and ultrafine particulate organic carbon in the Los Angeles basin: Trends in sources and composition.

Shirmohammadi F, Hasheminassab S, Saffari A, Schauer JJ, Delfino RJ, Sioutas C.

Sci Total Environ. 2016 Jan 15;541:1083-1096. doi: 10.1016/j.scitotenv.2015.09.133. Epub 2015 Nov 11.


Redox activity and chemical interactions of metal oxide nano- and micro-particles with dithiothreitol (DTT).

Nicolas J, Jaafar M, Sepetdjian E, Saad W, Sioutas C, Shihadeh A, Saliba NA.

Environ Sci Process Impacts. 2015 Nov;17(11):1952-8. doi: 10.1039/c5em00352k.


Is atherosclerotic disease associated with organic components of ambient fine particles?

Keebaugh AJ, Sioutas C, Pakbin P, Schauer JJ, Mendez LB, Kleinman MT.

Sci Total Environ. 2015 Nov 15;533:69-75. doi: 10.1016/j.scitotenv.2015.06.048. Epub 2015 Jul 4.


Toxicity of aged gasoline exhaust particles to normal and diseased airway epithelia.

Künzi L, Krapf M, Daher N, Dommen J, Jeannet N, Schneider S, Platt S, Slowik JG, Baumlin N, Salathe M, Prévôt AS, Kalberer M, Strähl C, Dümbgen L, Sioutas C, Baltensperger U, Geiser M.

Sci Rep. 2015 Jun 29;5:11801. doi: 10.1038/srep11801.


Assessing the role of chemical components in cellular responses to atmospheric particle matter (PM) through chemical fractionation of PM extracts.

Heo J, Antkiewicz DS, Shafer MM, Perkins DA, Sioutas C, Schauer JJ.

Anal Bioanal Chem. 2015 Aug;407(20):5953-63. doi: 10.1007/s00216-015-8749-4. Epub 2015 May 10.


Vehicular exhaust particles promote allergic airway inflammation through an aryl hydrocarbon receptor-notch signaling cascade.

Xia M, Viera-Hutchins L, Garcia-Lloret M, Noval Rivas M, Wise P, McGhee SA, Chatila ZK, Daher N, Sioutas C, Chatila TA.

J Allergy Clin Immunol. 2015 Aug;136(2):441-53. doi: 10.1016/j.jaci.2015.02.014. Epub 2015 Mar 29.


A new technique for online measurement of total and water-soluble copper (Cu) in coarse particulate matter (PM).

Wang D, Shafer MM, Schauer JJ, Sioutas C.

Environ Pollut. 2015 Apr;199:227-34. doi: 10.1016/j.envpol.2015.02.006. Epub 2015 Feb 11.


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