{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T12:56:27Z","timestamp":1792155387135,"version":"4.4.0"},"reference-count":54,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2024,6,14]],"date-time":"2024-06-14T00:00:00Z","timestamp":1718323200000},"content-version":"vor","delay-in-days":13,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical &amp;amp; Translational Med"],"published-print":{"date-parts":[[2024,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background and aims<\/jats:title>\n                    <jats:p>Smoking is recognised as an independent risk factor in the development of chronic pancreatitis (CP). Cystic fibrosis transmembrane conductance regulator (CFTR) function and ductal fluid and bicarbonate secretion are also known to be impaired in CP, so it is crucial to understand the relationships between smoking, pancreatic ductal function and the development of CP.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      We measured sweat chloride (Cl\n                      <jats:sup>\u2013<\/jats:sup>\n                      ) concentrations in patients with and without CP, both smokers and non\u2010smokers, to assess CFTR activity. Serum heavy metal levels and tissue cadmium concentrations were determined by mass spectrometry in smoking and non\u2010smoking patients. Guinea pigs were exposed to cigarette smoke, and cigarette smoke extract (CSE) was prepared to characterise its effects on pancreatic HCO\n                      <jats:sub>3<\/jats:sub>\n                      <jats:sup>\u2013<\/jats:sup>\n                      and fluid secretion and CFTR function. We administered cerulein to both the smoking and non\u2010smoking groups of mice to induce pancreatitis.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Sweat samples from smokers, both with and without CP, exhibited elevated Cl\n                      <jats:sup>\u2013<\/jats:sup>\n                      concentrations compared to those from non\u2010smokers, indicating a decrease in CFTR activity due to smoking. Pancreatic tissues from smokers, regardless of CP status, displayed lower CFTR expression than those from non\u2010smokers. Serum levels of cadmium and mercury, as well as pancreatic tissue cadmium, were increased in smokers. Smoking, CSE, cadmium, mercury and nicotine all hindered fluid and HCO\n                      <jats:sub>3<\/jats:sub>\n                      <jats:sup>\u2013<\/jats:sup>\n                      secretion and CFTR activity in pancreatic ductal cells. These effects were mediated by sustained increases in intracellular calcium ([Ca\n                      <jats:sup>2+<\/jats:sup>\n                      ]\n                      <jats:sub>i<\/jats:sub>\n                      ), depletion of intracellular ATP (ATP\n                      <jats:sub>i<\/jats:sub>\n                      ) and mitochondrial membrane depolarisation.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Smoking impairs pancreatic ductal function and contributes to the development of CP. Heavy metals, notably cadmium, play a significant role in the harmful effects of smoking.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Key points<\/jats:title>\n                    <jats:p>\n                      <jats:list>\n                        <jats:list-item>\n                          <jats:p>\n                            Smoking and cigarette smoke extract diminish pancreatic ductal fluid and HCO\n                            <jats:sub>3<\/jats:sub>\n                            <jats:sup>\u2013<\/jats:sup>\n                            secretion as well as the expression and function of CFTR\n                          <\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>Cd and Hg concentrations are significantly higher in the serum samples of smokers<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>Cd accumulates in the pancreatic tissue of smokers<\/jats:p>\n                        <\/jats:list-item>\n                      <\/jats:list>\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/ctm2.1733","type":"journal-article","created":{"date-parts":[[2024,6,15]],"date-time":"2024-06-15T00:39:41Z","timestamp":1718411981000},"source":"Crossref","is-referenced-by-count":15,"title":["Heavy metals in cigarette smoke strongly inhibit pancreatic ductal function and promote development of chronic pancreatitis"],"prefix":"10.1002","volume":"14","author":[{"given":"Petra","family":"Pallagi","sequence":"first","affiliation":[{"name":"Department of Medicine University of Szeged  Szeged Hungary"},{"name":"MTA\u2013SZTE Momentum Epithelial Cell Signaling and Secretion Research Group, University of Szeged  Szeged Hungary"},{"name":"HCEMM\u2013SZTE Molecular Gastroenterology Research Group, University of Szeged  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