References
1. Haussler M.R., Whitfield G.K., Kaneko I. Molecular mechanisms of vitamin D action. Calcif Tissue Int. 2013; 92 (2): 77–98. URL: https://doi.org/10.1007/s00223-012-9619-0.
2. Holick M.F., Binkley N.C., Bischoff-Ferrari H.A., Gordon C.M., Hanley D.A., Heaney R.P., et al. Evaluation, treatment, and prevention of vitamin D deficiency: an Endocrine Society Clinical Practice Guideline. J Clin Endocrinol Metab. 2011; 96 (7): 1911–30. URL: https://doi.org/10.1210/jc.2011-0385
3. Prosser D.E., Jones G. Enzymes involved in the activation and inactivation of vitamin D. Trends Biochem. Sci. 2004; 29 (12): 664–73. URL: https://doi.org/10.1016/j.tibs.2004.10.005
4. de Borst M.H., de Boer R.A., Stolk R.P., et al. Vitamin D deficiency: universal risk factor for multifactorial diseases? Curr Drug Targets. 2011; 12 (1): 97–106. DOI: 10.2174/138945011793591590
5. Antonucci R., Locci C., Clemente M.G., et al. Vitamin D deficiency in childhood: old lessons and current challenges. J Pediatr Endocrinol Metab. 2018; 31 (3): 247–60. DOI: 10.1515/jpem-2017-0391
6. Arora S., Goel P., Chawla D., et al. Vitamin D status in mothers and their newborns and its association with pregnancy outcomes: experience from a tertiary care center in Northern India. J Obstet Gynaecol India. 2018; 68 (5): 389–93. DOI: 10.1007/s13224-017-1067-3
7. Cepeda S.J., Zenteno A.D., Fuentes S.C., et al. Vitamin D and pediatrics respiratory disease. Rev Chil Pediatr. 2019; 90 (1): 94–101. DOI: 10.32641/rchped.v90i1.747.
8. Klimov L.Ya., Zakharova I.N., Kur’yaninova V.A., Arutyunyan T.M., Kas’yanova A.N. Vitamin D status in children of southern Russia in the autumn-winter period of the year. Meditsinskiy sovet [Medical Council]. 2015; (14): 14–9. URL: https://DOI.org/10.21518/2079-701X-2015-14-14-19 (in Russian)
9. Petrushkina A.A., Pigarova E.A., Rozhinskaya L.Ya. The prevalence of vitamin D deficiency in Russian Federation. Osteoporoz i osteopatii [Osteoporosis and Osteopathy]. 2018; 21 (3): 15–20. DOI: 10.14341/osteo10038. (in Russian)
10. Malyavskaya S.I., Kostrova G.N., Strelkova A.V., Lebedev А.V. Charactristics of phosphoric-calcium metabolism at various levels of 25(OH)D in children and adolescents residents of the arctic zone of the Russian Federation. Ekologiya cheloveka [Human Ecology]. 2018; (12): 26–31. DOI: 10.1134/S0131164619040106. (in Russian)
11. The national program to optimize the provision of vitamins and minerals of children of Russia (and the use of vitamin and vitamin-mineral complexes and fortified products in pediatric practice). In: Union of Pediatricians of Russia, et al. Moscow: Pediatr, 2018: 152 p. (in Russian)
12. The national program «Vitamin D insufficiency in children and adolescents of the Russian Federation: modern approaches to correction». In: Union of Pediatricians of Russia, et al. Moscow: Pediatr, 2018: 96 p. (in Russian)
13. Zakharova I.N., Tvorogova T.M., Gromova O.A., Evseeva E.A., Lazareva S.I., Maykova I.D., et al. Vitamin D insufficiency in adolescents: results of year-round screening in Moscow. Pediatricheskaya farmakologiya [Pediatric Pharmacology]. 2015; 12 (5): 528–31. URL: https://doi.org/10.15690/pf.v12i5.1453. (in Russian)
14. Baranova I.A., Kondrat’eva E.I., Krasovskiy S.A. Osteoporosis in cystic fibrosis patients: prevention and therapeutic opportunities. Pul’monologiya [Pulmonology]. 2017; 27 (4): 537–45. DOI: 10.18093/0869-0189-2017-27-4-537-545. (in Russian)
15. Asherova I.K., Ershova O.B., Okhapkina E.A., Belova K.Yu. Violation of vitamin d metabolism in children and adolescents with cystic fibrosis. Pediatriya. Zhurnal im. G.N. Speranskogo [Pediatrics. Journal named after G.N. Speranskiy]. 2012; 91 (2): 36–9. (in Russian)
16. Kondrat’eva E.I., Zhekayte E.K., Shmarina G.V., Nikonova V.S., Voronkova A.Yu., Sherman V.D., et al. Vitamin D levels at different periods of the year in patients with cystic fibrosis living in the Moscow region. Voprosy detskoy dietologii [Problems of Pediatric Nutrition]. 2017; 15 (4): 21–7. URL: https://doi.org/10.20953/1727-5784-2017-4-21-27. (in Russian)
17. Kondrat’eva E.I., Kashirskaya N.Yu., Kapranov N.I. (coordinators). National consensus «Cystic fibrosis: definition, diagnostic criteria, therapy». Moscow: Borges, 2016: 205 p. (in Russian)
18. Daley T., Hughan K., Rayas M., Kelly A., Tangpricha V. Vitamin D deficiency and its treatment in cystic fibrosis. J Cyst Fibros. 2019; 18 (suppl 2): S66–73. DOI: 10.1016/j.jcf.2019.08.022.
19. Global Consensus Recommendations on Prevention and Management of Nutritional Rickets. J Clin Endocrinol Metab. 2016; 101 (2): 394–415. DOI: 10.1210/jc.2015-2175.
20. McCauley L.A., Thomas W., Laguna T.A., et al. Vitamin D deficiency is associated with pulmonary exacerbations in children with cystic fibrosis. Ann Am Thorac Soc. 2014; 11: 198–204. URL: https://doi.org/10.1513/AnnalsATS.201208-068OC.
21. Wani W.A., Nazir M., Bhat J.I., et al. Vitamin D status correlates with the markers of cystic fibrosis-related pulmonary disease. Pediatr Neonatol. 2019; 60: 210–5. URL: https://doi.org/10.1016/j.pedneo.2018.07.001.
22. Vanstone M.B., Egan M.E., Zhang J.H., Carpenter T.O. Association between serum 25-hydroxyvitamin D level and pulmonary exacerbations in cystic fibrosis. Pediatr Pulmonol. 2015; 50: 441–6. URL: https://doi.org/10.1002/ppul.23161.
23. Kanhere M., Chassaing B., Gewirtz A.T., Tangpricha V. Role of vitamin D on gut microbiota in cystic fibrosis. J Steroid Biochem Mol Biol. 2018; 175: 82–7. DOI: 10.1016/j.jsbmb.2016.11.001.
24. Kapranov N.I., Kashirskaya N.Yu. (eds). Cystic fibrosis. Moscow: Medpraktika-М, 2014: 672 p. (in Russian)
25. Robinson K.A., Saldanha I.J., McKoy N.A. Management of infants with cystic fibrosis: a Summary of the Evidence for the Cystic Fibrosis Foundation Working Group on Care of Infants with Cystic Fibrosis. J Pediatr. 2009; 155 (6): 94–105.
26. Tangpricha V., Kelly A., Stephenson A., Maguiness K., Enders J., Robinson K.A., et al. An update on the screening, diagnosis, management, and treatment of vitamin D deficiency in individuals with cystic fibrosis: evidence-based recommendations from the Cystic Fibrosis Foundation. J Clin Endocrinol Metab. 2012; 97 (4): 1082–93. URL: https://doi.org/10.1210/jc.2011-3050.
27. Kondrat’eva E.I., Zhekayte E.K., Voronkova A.Yu., Sherman V.D., Odinaeva N.D. Impact of vitamin D deficit over clinical signs of cystic fibrosis in children from Moscow region. Doctor.Ru. 2018; 11 (155): 15–20. DOI: 10.31550/1727-2378-2018-155-11-15-20. (in Russian)
28. Federal clinical recommendations for the diagnosis, treatment and prevention of osteoporosis of the Ministry of health of the Russian Federation. Problemy endokrinologii [Problems of Endocrinology]. 2018; 63 (6): 392–426. DOI: 10.14341/probl2017636392-426. (in Russian)
29. Il’enkova N.A., Klimov L.Ya., Zhekayte E.K., Chikunov V.V., Mel’yanovskaya Yu.L., Dolbnya S.V., et al. Vitamin D provision among children with cystic fibrosis in the Russian Federation during winter time. Sibirskoe meditsinskoe obozrenie [Siberian Medical Review]. 2019; (2): 29–36. DOI: 10.20333/2500136-2019-2-29-36. (in Russian)