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Rathored J, Sharma SK, Banavaliker JN, Sreenivas V, Srivastava AK. Response to treatment and low serum vitamin D levels in North Indian patients with treatment-naive category I and multi-drug resistant pulmonary tuberculosis. Ann Med 2024; 56:2407066. [PMID: 39311013 PMCID: PMC11421155 DOI: 10.1080/07853890.2024.2407066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 03/27/2024] [Accepted: 05/16/2024] [Indexed: 09/26/2024] Open
Abstract
BACKGROUND Tuberculosis (TB) is a bacterial infection that usually affects the lungs, although it can also affect other parts of the body. Vitamin D deficiency and response to treatment have been demonstrated in patients with active TB in several studies, but not in MDR-TB patients, which is a new observation in the present study. OBJECTIVE To study the time to initial sputum culture conversion and to associate baseline vitamin D levels and response to treatment in patients with PTB Cat I and MDR-TB. METHODS A total of 897 North Indian participants were recruited and divided into three groups: treatment-naïve PTB Cat I, MDR-TB, and healthy controls. Serum biochemistry, including 25-hydroxyvitamin D and calcium, was measured in all participants with PTB, Cat I, and MDR-TB. RESULTS PTB Cat I patients had high bacillary load grading at baseline compared to 2nd month followed by 6th month of treatment. More severe chest radiographic features, such as cavitation and the presence of bilateral disease at baseline. Mean sputum smear conversion times were 0.95 ± 0.7 months and culture conversion to negative occurred at a mean time of 0.8 ± 0.7 in PTB Cat I patients compared to MDR-TB patients on average sputum smear and time of 2.4 ± 3 months. Significantly lower mean serum 25-hyroxyvitamin D concentration was found in the 6th month than in the 2nd month and baseline in PTB Cat I. CONCLUSION Low serum vitamin D deficiency was observed in both groups during treatment and is one of the important factors responsible for susceptibility to TB in both groups; however, its significance is uncertain. Patients with continuous positive sputum for multidrug-resistant tuberculosis (MDR-TB) had a worse prognosis than those with sputum bacteriology conversion. Two months into a treatment regimen, sputum smear conversions may be a useful indicator of an MDR-TB patient's prognosis.
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Affiliation(s)
- Jaishriram Rathored
- Department of Medicine, All India Institute of Medical Sciences, New Delhi, India
- Department of ‘School of Allied Health Sciences’, Datta Meghe Institute of Higher Education and Research, Wardha, Maharashtra, India
| | | | - Jayant Nagesh Banavaliker
- Department of Tuberculosis and Respiratory Diseases, Rajan Babu Institute of Pulmonary Medicine and Tuberculosis (RBIPMT), New Delhi, India
| | - V. Sreenivas
- Department of Biostatistics, All India Institute of Medical Sciences, New Delhi, India
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Sankar D, Oviya IR. Multidisciplinary approaches to study anaemia with special mention on aplastic anaemia (Review). Int J Mol Med 2024; 54:95. [PMID: 39219286 PMCID: PMC11410310 DOI: 10.3892/ijmm.2024.5419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Accepted: 07/02/2024] [Indexed: 09/04/2024] Open
Abstract
Anaemia is a common health problem worldwide that disproportionately affects vulnerable groups, such as children and expectant mothers. It has a variety of underlying causes, some of which are genetic. A comprehensive strategy combining physical examination, laboratory testing (for example, a complete blood count), and molecular tools for accurate identification is required for diagnosis. With nearly 400 varieties of anaemia, accurate diagnosis remains a challenging task. Red blood cell abnormalities are largely caused by genetic factors, which means that a thorough understanding requires interpretation at the molecular level. As a result, precision medicine has become a key paradigm, utilising artificial intelligence (AI) techniques, such as deep learning and machine learning, to improve prognostic evaluation, treatment prediction, and diagnostic accuracy. Furthermore, exploring the immunomodulatory role of vitamin D along with biomarker‑based molecular techniques offers promising avenues for insight into anaemia's pathophysiology. The intricacy of aplastic anaemia makes it particularly noteworthy as a topic deserving of concentrated molecular research. Given the complexity of anaemia, an integrated strategy integrating clinical, laboratory, molecular, and AI techniques shows a great deal of promise. Such an approach holds promise for enhancing global anaemia management options in addition to advancing our understanding of the illness.
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Affiliation(s)
- Divya Sankar
- Department of Sciences, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Chennai, Tamil Nadu 601103, India
| | - Iyyappan Ramalakshmi Oviya
- Department of Computer Science and Engineering, Amrita School of Computing, Amrita Vishwa Vidyapeetham, Chennai, Tamil Nadu 601103, India
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3
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Li M, Lai KW. Vitamin D Deficiency-Associated Neuropathic Pain Examined in a Chronic Pain Management Program. Perm J 2024; 28:180-184. [PMID: 38980764 PMCID: PMC11404642 DOI: 10.7812/tpp/24.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/11/2024]
Affiliation(s)
- Maxwell Li
- Oakland University William Beaumont School of Medicine, Rochester, MI, USA
| | - Katharine W Lai
- Department of Physical Medicine & Rehabilitation, Kaiser Permanente San Francisco Medical Center, San Francisco, CA, USA
- Department of Chronic Pain, Kaiser Permanente South San Francisco, San Bruno, CA, USA
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Mancin S, Cangelosi G, Matteucci S, Palomares SM, Parozzi M, Sandri E, Sguanci M, Piredda M. The Role of Vitamin D in Hematopoietic Stem Cell Transplantation: Implications for Graft-versus-Host Disease-A Narrative Review. Nutrients 2024; 16:2976. [PMID: 39275291 PMCID: PMC11397640 DOI: 10.3390/nu16172976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2024] [Revised: 08/27/2024] [Accepted: 09/02/2024] [Indexed: 09/16/2024] Open
Abstract
INTRODUCTION/AIM Vitamin D plays a crucial role in immune modulation, which may influence the development of graft-versus-host disease (GvHD) in patients undergoing hematopoietic stem cell transplantation (HSCT). This study aims to evaluate the impact of vitamin D levels and supplementation on the incidence of GvHD in HSCT patients. METHODS A narrative review was conducted across PubMed/Medline, Cochrane Library, CINAHL, and Embase databases. RESULTS The reviewed studies indicated widespread vitamin D deficiency among HSCT patients, with baseline levels ranging from 12.8 to 29.2 ng/mL. Supplementation protocols varied significantly, with dosages ranging from 1000 IU/day to 60,000 IU/week. Post-supplementation levels improved in some studies. Studies exploring the relationship between vitamin D and GvHD showed mixed results. Lower baseline vitamin D levels were associated with an increased risk of acute GvHD in some studies, while others found no significant correlation. However, a significant association between low levels of vitamin D and the incidence of chronic GvHD was observed. CONCLUSION Vitamin D deficiency is prevalent in HSCT patients and may influence the risk of developing chronic GvHD. Future research should focus on larger and more rigorous studies to determine the optimal role of vitamin D as an adjuvant therapy in the context of HSCT.
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Affiliation(s)
- Stefano Mancin
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Italy
| | - Giovanni Cangelosi
- Units of Diabetology, ASUR Marche, Via Augusto Murri 21, 63900 Fermo, Italy
| | - Sofia Matteucci
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Italy
| | - Sara Morales Palomares
- Department of Pharmacy, Health and Nutritional Sciences (DFSSN), University of Calabria, 87036 Rende, Italy
| | - Mauro Parozzi
- School of Nursing, ASST Santi Paolo e Carlo, "San Paolo" Campus, University of Milan, 20142 Milan, Italy
| | - Elena Sandri
- Faculty of Medicine and Health Sciences, Catholic University of Valencia San Vicente Mártir, c/Quevedo, 2, 46001 Valencia, Spain
| | - Marco Sguanci
- Research Unit of Nursing Science, Department of Medicine and Surgery, Campus Bio-Medico di Roma University, Via Alvaro del Portillo 21, 00128 Rome, Italy
| | - Michela Piredda
- Research Unit of Nursing Science, Department of Medicine and Surgery, Campus Bio-Medico di Roma University, Via Alvaro del Portillo 21, 00128 Rome, Italy
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5
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Ozsoy S, Yigit S, Nursal AF, Ozsoy Z, Dasiran MF, Daldal E, Tekcan A. Genetic association of the BsmI variant of vitamin D receptor gene with risk of morbid obesity. REVISTA DA ASSOCIACAO MEDICA BRASILEIRA (1992) 2024; 70:e20231020. [PMID: 39045947 PMCID: PMC11288276 DOI: 10.1590/1806-9282.20231020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 03/17/2024] [Indexed: 07/25/2024]
Abstract
OBJECTIVE The aim of this study was to evaluate the vitamin D receptor (VDR) BsmI variant in morbidly obese patients compared with healthy normal controls. METHODS The study included 103 patients with morbid obesity and 120 healthy individuals serving as normal controls. The DNA samples obtained from blood were genotyped using the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) technique. The gender, age, smoking status, triglycerides, total cholesterol, insulin, mean body mass index, and frequency of allele and genotype of the BsmI variant in the VDR gene in morbidly obese patients were evaluated. RESULTS The body mass index of the patients was 47.14 ± 7.19. The VDR B/B, B/b, and b/b genotype frequencies were 27.2% versus 28.3%; 54.4% versus 50%; and 18.4% versus 21.7% in the morbidly obese patients and the control group, respectively. There was no statistically significant difference between patients and control subjects in the genotype and allele distribution of the VDR BsmI variant (p>0.05). Both patients and control genotype frequencies are consistent with Hardy-Weinberg equilibrium. CONCLUSION The BsmI variant in the VDR gene may not seem to predispose to morbid obesity in our study population. Further studies with a larger number of subjects are needed to make a more precise evaluation of this relationship.
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Affiliation(s)
- Seyma Ozsoy
- Gaziosmanpasa University, Faculty of Medicine, Department of Physiology – Tokat, Turkey
| | - Serbulent Yigit
- Ondokuz Mayıs University, Faculty of Veterinary, Department of Genetics – Samsun, Turkey
| | - Ayse Feyda Nursal
- Hitit University, Faculty of Medicine, Department of Medical Genetics – Çorum, Turkey
| | - Zeki Ozsoy
- Medical Park Hospital, Department of General Surgery – Tokat, Turkey
| | - Mehmet Fatih Dasiran
- Gaziosmanpasa University, Faculty of Medicine, Department of General Surgery – Tokat, Turkey
| | - Emin Daldal
- Samsun University, Faculty of Medicine, Department of General Surgery – Samsun, Turkey
| | - Akin Tekcan
- Amasya University, Faculty of Medicine, Department of Medical Biology – Amasya, Turkey
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Abed MN, Alassaf FA, Qazzaz ME. Exploring the Interplay between Vitamin D, Insulin Resistance, Obesity and Skeletal Health. J Bone Metab 2024; 31:75-89. [PMID: 38886966 PMCID: PMC11184154 DOI: 10.11005/jbm.2024.31.2.75] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 02/15/2024] [Accepted: 02/17/2024] [Indexed: 06/20/2024] Open
Abstract
Vitamin D (ViD), plays an important role in calcium absorption and bone mineralization, is associated with bone mineral density. Severe deficiency in ViD has long been linked to conditions such as rickets in children and osteomalacia in adults, revealing its substantial role in skeletal health. Additionally, investigations show an existing interconnection between ViD and insulin resistance (Ins-R), especially in patients with type 2 diabetes mellitus (T2DM). Obesity, in conjunction with Ins-R, may augment the risk of osteoporosis and deterioration of skeletal health. This review aims to examine recent studies on the interplay between ViD, Ins-R, obesity, and their impact on skeletal health, to offer insights into potential therapeutic strategies. Cochrane Library, Google Scholar, and Pubmed were searched to investigate relevant studies until December 2023. Current research demonstrates ViD's impact on pancreatic β-cell function, systemic inflammation, and insulin action regulation. Our findings highlight an intricate association between ViD, Ins-R, obesity, and skeletal health, providing a perspective for the prevention and/or treatment of skeletal disorders in patients with obesity, Ins-R, and T2DM.
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Affiliation(s)
- Mohammed N. Abed
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul,
Iraq
| | - Fawaz A. Alassaf
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Mosul, Mosul,
Iraq
| | - Mohannad E. Qazzaz
- Department of Pharmacognosy and Medicinal Plants, College of Pharmacy, University of Mosul, Mosul,
Iraq
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Coudray MS, Hansel S, Alesci S, Meyer WA, Christenson RH, Landry LG, Edwards C, Puckrein G, Forney DJ, Akinboboye O. Vitamin D Levels and SARS-CoV-2 Infection among Medically Underserved Populations in the Minority and Rural Coronavirus Insights Study. Viruses 2024; 16:639. [PMID: 38675979 PMCID: PMC11053904 DOI: 10.3390/v16040639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 04/12/2024] [Accepted: 04/14/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND Extant literature presents contradictory findings on the role of vitamin D on SARS-CoV-2 infection. Our study included an examination of the relationship between vitamin D levels and SARS-CoV-2 infection among the Minority and Rural Coronavirus Insights Study (MRCIS) cohort, a diverse population of medically underserved persons presenting at five Federally qualified health centers in the United States. METHODS We conducted a descriptive analysis to explore the relationship between vitamin D levels and SARS-CoV-2 infection among medically underserved participants. A combined molecular and serologic assessment was used to determine the prevalence of SARS-CoV-2 infection. Vitamin D was examined as both a categorical (vitamin D status: deficient, insufficient, optimal) and continuous (vitamin D level) variable. Chi-squared testing, polynomial regression models, and logistic regression models were used to assess the relationship between vitamin D and SARS-CoV-2 infection. RESULTS The overall SARS-CoV-2 infection rate among participants was 25.9%. Most participants were either vitamin D deficient (46.5%) or insufficient (29.7%), and 23.8% had an optimal level. Vitamin D status was significantly associated with key SARS-CoV-2 infection risk factors. As mean vitamin D levels increased, the proportion of participants with SARS-CoV-2 infection decreased. For every 10 ng/mL increase in vitamin D levels the odds of SARS-CoV-2 infection decreased by 12% when adjusting for race/ethnicity and age (main effect model). Participants who identified as Hispanic/Latino or Black non-Hispanic had approximately two times increased odds of SARS-CoV-2 infection when adjusting for age and vitamin D levels compared to white non-Hispanics. However, when additional factors were added to the main effect model, the relationship between vitamin D levels and SARS-CoV-2 infection did not remain significant. CONCLUSION Vitamin D levels were associated with an increased risk of SARS-CoV-2 infection. Hispanic/Latino and Black, non-Hispanic compared to White, non-Hispanic participants were at increased odds for infection, after adjusting for race/ethnicity and age.
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Affiliation(s)
- Makella S. Coudray
- National Minority Quality Forum, 1201 15th St NW #340, Washington, DC 20005, USA (S.A.); (G.P.); (D.J.F.)
- Department of Population Health Sciences, College of Medicine, University of Central Florida, 6900 Lake Nona Blvd, Orlando, FL 32827, USA
| | - Shantoy Hansel
- National Minority Quality Forum, 1201 15th St NW #340, Washington, DC 20005, USA (S.A.); (G.P.); (D.J.F.)
| | - Salvatore Alesci
- National Minority Quality Forum, 1201 15th St NW #340, Washington, DC 20005, USA (S.A.); (G.P.); (D.J.F.)
| | | | - Robert H. Christenson
- Department of Pathology, University of Maryland School of Medicine, 655 W. Baltimore St., Baltimore, MD 21201, USA;
| | - Latrice G. Landry
- Perelman School of Medicine, University of Pennsylvania, 3400 Civic Center Blvd, Building 421, Philadelphia, PA 19104, USA
| | - Christina Edwards
- National Minority Quality Forum, 1201 15th St NW #340, Washington, DC 20005, USA (S.A.); (G.P.); (D.J.F.)
| | - Gary Puckrein
- National Minority Quality Forum, 1201 15th St NW #340, Washington, DC 20005, USA (S.A.); (G.P.); (D.J.F.)
| | - Derrick J. Forney
- National Minority Quality Forum, 1201 15th St NW #340, Washington, DC 20005, USA (S.A.); (G.P.); (D.J.F.)
| | - Ola Akinboboye
- Queens Heart Institute, 23436 Merrick Blvd, New York, NY 11422, USA;
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8
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Wu JY, Liu MY, Hsu WH, Tsai YW, Liu TH, Huang PY, Chuang MH, Chin SE, Lai CC. Association between vitamin D deficiency and post-acute outcomes of SARS-CoV-2 infection. Eur J Nutr 2024; 63:613-622. [PMID: 38112761 DOI: 10.1007/s00394-023-03298-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 11/28/2023] [Indexed: 12/21/2023]
Abstract
OBJECTIVES This study aimed to investigate the association between vitamin D deficiency (VDD) and post-acute outcomes of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. METHODS This retrospective study used the TriNetX research network to identify COVID-19 patients between January 1 and November 30, 2022. Patients were matched using propensity score matching (PSM) and divided into VDD (< 20 ng/mL) and control (≥ 20 ng/mL) groups. The primary outcome was a composite of post-COVID-19 condition (identified by ICD-10 code), all-cause emergency department (ED) visits, hospitalization, and death during the follow-up period (90-180 days) after the diagnosis of COVID-19. RESULTS From an initial recruitment of 42,674 non-hospitalized patients with COVID-19 and known 25(OH)D status, a VDD group of 8300 was identified and propensity matched with 8300 controls. During the follow-up period, the VDD group had a higher risk of the primary outcome than did the control group [hazard ratio (HR) = 1.122; 95% confidence interval (CI) = 1.041-1.210]. The VDD group also had a higher risk of all-cause ED visits (HR = 1.114; 95% CI = 1.012-1.226), all-cause hospitalization (HR = 1.230; 95% CI = 1.105-1.369), and all-cause death (HR = 1.748; 95% CI = 1.047-2.290) but not post-COVID-19 condition (HR = 0.980; 95% CI = 0.630-1.523), individually. CONCLUSION Among the COVID-19 patients, VDD might be associated with a higher risk of all-cause ED visits, hospitalization, and death during the post-acute phase.
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Affiliation(s)
- Jheng-Yan Wu
- Department of Nutrition, Chi Mei Medical Center, Tainan, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Mei-Yuan Liu
- Department of Nutrition, Chi Mei Medical Center, Tainan, Taiwan
- Department of Nutrition and Health Sciences, Chang Jung Christian University, Tainan, Taiwan
- Department of Food Nutrition, Chung Hwa University of Medical Technology, Tainan, Taiwan
- Department of Health and Nutrition, Chia Nan University of Pharmacy & Science, Tainan, Taiwan
| | - Wan-Hsuan Hsu
- Department of General Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Ya-Wen Tsai
- Center of Integrative Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Ting-Hui Liu
- Department of Psychiatry, Chi Mei Medical Center, Tainan, Taiwan
| | - Po-Yu Huang
- Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Min-Hsiang Chuang
- Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Szu-En Chin
- Department of Surgery, Chang Gung Memorial Hospital at Chiayi, Chiayi, Taiwan
| | - Chih-Cheng Lai
- Division of Hospital Medicine, Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan.
- School of Medicine, College of Medicine, National Sun Yat-Sen University, Kaohsiung, Taiwan.
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Marti DT, Nesiu A, Balta C, Olariu TR, Mihu AG, Hermenean A, Oatis DA. Retrospective Analysis of Vitamin D Deficiency in an Adult Population of Arad County, Western Romania (2019-2022). Life (Basel) 2024; 14:274. [PMID: 38398782 PMCID: PMC10890605 DOI: 10.3390/life14020274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 02/06/2024] [Accepted: 02/16/2024] [Indexed: 02/25/2024] Open
Abstract
Vitamin D, a steroid hormone synthesized primarily in the skin upon exposure to ultraviolet light, is widely deficient across global populations. This study aimed to fill the data gap in Western Romania by measuring 25-hydroxy-vitamin D levels in a cohort of 7141 from Arad County. It was observed that women, younger adults (18-29 years), and older adults (70-79 years) had notably lower vitamin D levels compared to the average population. Additionally, there was a rise in vitamin D levels over the four-year span of 2018-2022, coinciding with the COVID-19 pandemic. Our research provides fresh data on those most susceptible to vitamin D deficiency and lays the groundwork for educational campaigns on vitamin D supplementation benefits.
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Affiliation(s)
- Daniela Teodora Marti
- Department of Biology and Life Sciences, Faculty of Medicine, Vasile Goldis Western University of Arad, 310025 Arad, Romania; (D.T.M.); (A.N.); (D.A.O.)
| | - Alexandru Nesiu
- Department of Biology and Life Sciences, Faculty of Medicine, Vasile Goldis Western University of Arad, 310025 Arad, Romania; (D.T.M.); (A.N.); (D.A.O.)
- “Aurel Ardelean” Institute of Life Sciences, Vasile Goldis Western University of Arad, 86 Rebreanu, 310414 Arad, Romania;
| | - Cornel Balta
- “Aurel Ardelean” Institute of Life Sciences, Vasile Goldis Western University of Arad, 86 Rebreanu, 310414 Arad, Romania;
| | - Tudor Rares Olariu
- Discipline of Parasitology, Department of Infectious Disease, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania;
- Center for Diagnosis and Study of Parasitic Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
- Clinical Laboratory, Municipal Clinical Emergency Teaching Hospital, 300041 Timisoara, Romania
| | - Alin Gabriel Mihu
- Department of Biology and Life Sciences, Faculty of Medicine, Vasile Goldis Western University of Arad, 310025 Arad, Romania; (D.T.M.); (A.N.); (D.A.O.)
- “Aurel Ardelean” Institute of Life Sciences, Vasile Goldis Western University of Arad, 86 Rebreanu, 310414 Arad, Romania;
- Bioclinica Medical Analysis Laboratory, Dreptatii Street, nr. 23, 310300 Arad, Romania
| | - Anca Hermenean
- Department of Biology and Life Sciences, Faculty of Medicine, Vasile Goldis Western University of Arad, 310025 Arad, Romania; (D.T.M.); (A.N.); (D.A.O.)
- “Aurel Ardelean” Institute of Life Sciences, Vasile Goldis Western University of Arad, 86 Rebreanu, 310414 Arad, Romania;
| | - Daniela Adriana Oatis
- Department of Biology and Life Sciences, Faculty of Medicine, Vasile Goldis Western University of Arad, 310025 Arad, Romania; (D.T.M.); (A.N.); (D.A.O.)
- “Aurel Ardelean” Institute of Life Sciences, Vasile Goldis Western University of Arad, 86 Rebreanu, 310414 Arad, Romania;
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10
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Anand S, Hasan T, Maytin EV. Treatment of nonmelanoma skin cancer with pro-differentiation agents and photodynamic therapy: Preclinical and clinical studies (Review). Photochem Photobiol 2024:10.1111/php.13914. [PMID: 38310633 PMCID: PMC11297983 DOI: 10.1111/php.13914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 12/30/2023] [Accepted: 01/16/2024] [Indexed: 02/06/2024]
Abstract
Photodynamic therapy (PDT) is a nonscarring cancer treatment in which a pro-drug (5-aminolevulinic acid, ALA) is applied, converted into a photosensitizer (protoporphyrin IX, PpIX) which is then activated by visible light. ALA-PDT is now popular for treating nonmelanoma skin cancer (NMSC), but can be ineffective for larger skin tumors, mainly due to inadequate production of PpIX. Work over the past two decades has shown that differentiation-promoting agents, including methotrexate (MTX), 5-fluorouracil (5FU) and vitamin D (Vit D) can be combined with ALA-PDT as neoadjuvants to promote tumor-specific accumulation of PpIX, enhance tumor-selective cell death, and improve therapeutic outcome. In this review, we provide a historical perspective of how the combinations of differentiation-promoting agents with PDT (cPDT) evolved, including Initial discoveries, biochemical and molecular mechanisms, and clinical translation for the treatment of NMSCs. For added context, we also compare the differentiation-promoting neoadjuvants with some other clinical PDT combinations such as surgery, laser ablation, iron-chelating agents (CP94), and immunomodulators that do not induce differentiation. Although this review focuses mainly on the application of cPDT for NMSCs, the concepts and findings described here may be more broadly applicable towards improving the therapeutic outcomes of PDT treatment for other types of cancers.
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Affiliation(s)
- Sanjay Anand
- Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
- Dermatology and Plastic Surgery Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
- Cleveland Clinic Lerner College of Medicine, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Tayyaba Hasan
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA 02114
| | - Edward V Maytin
- Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
- Dermatology and Plastic Surgery Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
- Cleveland Clinic Lerner College of Medicine, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA 02114
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11
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Anand S, Shen A, Cheng CE, Chen J, Powers J, Rayman P, Diaz M, Hasan T, Maytin EV. Combination of vitamin D and photodynamic therapy enhances immune responses in murine models of squamous cell skin cancer. Photodiagnosis Photodyn Ther 2024; 45:103983. [PMID: 38281610 PMCID: PMC11197882 DOI: 10.1016/j.pdpdt.2024.103983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 01/10/2024] [Accepted: 01/17/2024] [Indexed: 01/30/2024]
Abstract
Improved treatment outcomes for non-melanoma skin cancers can be achieved if Vitamin D (Vit D) is used as a neoadjuvant prior to photodynamic therapy (PDT). However, the mechanisms for this effect are unclear. Vit D elevates protoporphyrin (PpIX) levels within tumor cells, but also exerts immune-modulatory effects. Here, two murine models, UVB-induced actinic keratoses (AK) and human squamous cell carcinoma (A431) xenografts, were used to analyze the time course of local and systemic immune responses after PDT ± Vit D. Fluorescence immunohistochemistry of tissues and flow analysis (FACS) of blood were employed. In tissue, damage-associated molecular patterns (DAMPs) were increased, and infiltration of neutrophils (Ly6G+), macrophages (F4/80+), and dendritic cells (CD11c+) were observed. In most cases, Vit D alone or PDT alone increased cell recruitment, but Vit D + PDT showed even greater recruitment effects. Similarly for T cells, increased infiltration of total (CD3+), cytotoxic (CD8+) and regulatory (FoxP3+) T-cells was observed after Vit D or PDT, but the increase was even greater with the combination. FACS analysis revealed a variety of interesting changes in circulating immune cell levels. In particular, neutrophils decreased in the blood after Vit D, consistent with migration of neutrophils into AK lesions. Levels of cells expressing the PD-1+ checkpoint receptor were reduced in AKs following Vit D, potentially counteracting PD-1+ elevations seen after PDT alone. In summary, Vit D and ALA-PDT, two treatments with individual immunogenic effects, may be advantageous in combination to improve treatment efficacy and management of AK in the dermatology clinic.
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Affiliation(s)
- Sanjay Anand
- Department of Biomedical Engineering, Cleveland Clinic, Lerner Research Institute, 9500 Euclid Avenue, Cleveland, OH 44195, USA; Dermatology and Plastic Surgery Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA; Cleveland Clinic Lerner College of Medicine, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
| | - Alan Shen
- Cleveland Clinic Lerner College of Medicine, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Cheng-En Cheng
- Department of Biomedical Engineering, Cleveland Clinic, Lerner Research Institute, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Jacky Chen
- Cleveland Clinic Lerner College of Medicine, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Jennifer Powers
- Center for Immunotherapy and Precision Immuno-Oncology, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Pat Rayman
- Center for Immunotherapy and Precision Immuno-Oncology, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Marcela Diaz
- Center for Immunotherapy and Precision Immuno-Oncology, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Tayyaba Hasan
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA 02114
| | - Edward V Maytin
- Department of Biomedical Engineering, Cleveland Clinic, Lerner Research Institute, 9500 Euclid Avenue, Cleveland, OH 44195, USA; Dermatology and Plastic Surgery Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA; Cleveland Clinic Lerner College of Medicine, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA; Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA 02114.
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12
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Oubouchou R, -Djeraba ZAA, Kemikem Y, Otmani F, Touil-Boukoffa C. Immunomodulatory effect of vitamin D supplementation on Behçet's disease patients: effect on nitric oxide and Th17/Treg cytokines production. Immunopharmacol Immunotoxicol 2024; 46:1-10. [PMID: 37535442 DOI: 10.1080/08923973.2023.2239490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 07/17/2023] [Indexed: 08/05/2023]
Abstract
INTRODUCTION In the last decade, an immuno-modulatory effect of vitamin D supplementation have emerged as a potential therapeutic approach for some inflammatory and autoimmune diseases. As previously reported, vitamin D deficiency was strongly linked to several diseases as Behçet's disease (BD). BD is a chronic systemic inflammatory disorder with autoimmunity, genetic and environmental factors involvement. The aim of our current study is to set up a new therapeutic strategy in BD, combining conventional therapy and vitamin D supplementation. MATERIALS AND METHODS Blood samples were collected from active and inactive BD patients and healthy controls (HC) to evaluate 25(OH) vitamin D levels using an electrochemiluminescence method. All deficient and insufficient vitamin D BD patients' were supplemented with vitamin D3 (CHOLECALCIFEROL, 200 000 UI/1 ml). In this context, NO, IL-17A and IL-10 levels were evaluated in patients and HC in vivo and ex vivo using Griess and ELISA methods respectively. RESULTS Before supplementation, we noted with interest that BD patients had vitamin D deficiency, associated with elevated in vivo and ex vivo NO and IL-17A levels compared to HC. Conversely, low IL-10 levels were observed in the same BD patients in comparison to HC. Interestingly, restored vitamin D status in supplemented BD patients was related to the decreased NO levels. In the same way, the IL-10/IL-17A ratio was improved. CONCLUSIONS Collectively, our data suggest that vitamin D supplementation in combination with conventional treatments has a beneficial effect and could constitute a good therapeutic candidate for alleviating inflammatory responses during Behçet disease.
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Affiliation(s)
- Randa Oubouchou
- Cytokines and NO Synthases Team, Laboratory of Cellular and Molecular Biology (LBCM), Biological Sciences Faculty, University of Sciences and Technology Houari Boumediene (USTHB), Algiers, Algeria
| | - Zineb Ait Arab -Djeraba
- Cytokines and NO Synthases Team, Laboratory of Cellular and Molecular Biology (LBCM), Biological Sciences Faculty, University of Sciences and Technology Houari Boumediene (USTHB), Algiers, Algeria
| | - Yassmine Kemikem
- Internal medicine service at Mustapha Bacha Hospital, Algiers, Algeria
| | - Fifi Otmani
- Internal medicine service at Mustapha Bacha Hospital, Algiers, Algeria
| | - Chafia Touil-Boukoffa
- Cytokines and NO Synthases Team, Laboratory of Cellular and Molecular Biology (LBCM), Biological Sciences Faculty, University of Sciences and Technology Houari Boumediene (USTHB), Algiers, Algeria
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13
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Ahuja A, Agrawal S, Acharya S, Kumar S. A Comprehensive Review of the Immunomodulatory Effects of Vitamin D in Sepsis. Cureus 2024; 16:e53678. [PMID: 38455817 PMCID: PMC10918297 DOI: 10.7759/cureus.53678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 02/05/2024] [Indexed: 03/09/2024] Open
Abstract
Sepsis remains a critical global health challenge characterised by a dysregulated immune response to infection, leading to systemic inflammation and organ dysfunction. This review examines the immunomodulatory effects of Vitamin D in sepsis, focusing on its regulation of immune cell function, modulation of cytokine production, and enhancement of antimicrobial responses. While the potential of Vitamin D as an adjunctive therapy in sepsis management is evident, challenges such as variability in Vitamin D status, uncertainties regarding optimal dosages and patient heterogeneity, and potential adverse effects require careful consideration. The review highlights the implications for future research and clinical practice, emphasising the need for standardised measurement protocols, elucidation of optimal supplementation strategies, and integration of Vitamin D assessments into routine care. Despite the complexities, Vitamin D emerges as a promising avenue for personalised interventions in sepsis, necessitating ongoing research collaboration and evidence-based guidelines to harness its full therapeutic potential and improve clinical outcomes.
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Affiliation(s)
- Abhinav Ahuja
- Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education & Research, Wardha, IND
| | - Sachin Agrawal
- Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education & Research, Wardha, IND
| | - Sourya Acharya
- Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education & Research, Wardha, IND
| | - Sunil Kumar
- Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education & Research, Wardha, IND
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14
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Chen S, Chen S, Zhao Z, Cao X, Chen Z, Lin J. Association of circulating vitamin D and omega 3 fatty acid with all-cause mortality in patients with rheumatoid arthritis: A large population-based cohort study. Maturitas 2023; 178:107848. [PMID: 37757613 DOI: 10.1016/j.maturitas.2023.107848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 08/21/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023]
Abstract
OBJECTIVES To assess the associations of both the level of circulating vitamin D and the ratio of omega-3 fatty acids to total fatty acids (omega-3 %) with mortality among participants with rheumatoid arthritis. STUDY DESIGN This study included 4,293 and 1,157 adults with rheumatoid arthritis identified by self-report from the UK Biobank for the analysis of vitamin D and omega-3 %, respectively. MAIN OUTCOME MEASURES Death outcomes were obtained from the National Health Service Information Centre (England and Wales) and the National Health Service Central Register Scotland (Scotland). Cox proportional hazards models were used to estimate hazard ratios and 95 % confidence intervals for mortality. RESULTS The medians (25th-75th percentiles) of serum 25(OH)D and omega-3 % were 45.8 (31.4-62.9) nmol/L and 4.1 % (3.3 %-5.1 %), respectively. During 52,612 person-years of follow-up in the 25(OH)D group, 502 all-cause deaths occurred; and during 14,192 person-years of follow-up in the omega-3 % group, 122 all-cause deaths occurred. Rheumatoid arthritis patients with vitamin D levels of at least 20 nmol/L had an approximately 40-50 % lower risk of all-cause mortality than those with severe vitamin D deficiency (hazard ratio ranging from 0.51 to 0.62, all P values < 0.05). Each unit increase in natural log-transformed 25(OH)D was associated with a 22 % reduction in the risk of all-cause mortality, and a U-shaped association between serum 25(OH)D and all-cause mortality was found. However, the association between omega-3 % and mortality was not significant. CONCLUSIONS Lower serum 25(OH)D concentration, but not omega-3 %, was significantly associated with higher all-cause mortality in patients with rheumatoid arthritis. Optimizing serum vitamin D levels may be an important factor in reducing mortality risk in this population.
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Affiliation(s)
- Siyu Chen
- Department of Endocrinology and Metabolism, Suzhou Dushu Lake Hospital, Dushu Lake Hospital Affiliated to Soochow University, Medical Center of Soochow University, Suzhou, China
| | - Shiqi Chen
- College of Medical Imaging, Dalian Medical University, Dalian, China
| | - Zhijian Zhao
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, China
| | - Xueqing Cao
- Department of Endocrinology and Metabolism, Suzhou Dushu Lake Hospital, Dushu Lake Hospital Affiliated to Soochow University, Medical Center of Soochow University, Suzhou, China
| | - Zhangling Chen
- Department of Cardiology, the Second Xiangyang Hospital, Central South University, Changsha, China; Department of Epidemiology, Erasmus Medical Center, Erasmus University, the Netherlands
| | - Jun Lin
- Department of Orthopaedics, Suzhou Dushu Lake Hospital, Dushu Lake Hospital Affiliated to Soochow University, Medical Center of Soochow University, Suzhou, China; Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Soochow University, Suzhou, China.
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15
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Hikmet RG, Wejse C, Agergaard J. Effect of Vitamin D in Long COVID Patients. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:7058. [PMID: 37998290 PMCID: PMC10671780 DOI: 10.3390/ijerph20227058] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/09/2023] [Accepted: 11/11/2023] [Indexed: 11/25/2023]
Abstract
Vitamin D deficiency has been studied in the context of acute coronavirus disease 2019 (COVID-19), revealing associations with increased severity and mortality. Yet, the influence of vitamin D on long COVID symptoms remains unknown. The purpose of this study is to examine the effect of vitamin D on long COVID symptoms. Over the study period, 50,432 individuals within the catchment area of the outpatient COVID-19 clinic tested positive for SARS-CoV-2 via PCR, with 547 patients subsequently referred to a specialized Post-COVID Clinic, and 447 of them enrolled in the study. Patient-reported symptoms and paraclinical measures including vitamin D were evaluated in 442 patients. The majority of participants were female (72%, n = 320/442). The consumption of alcohol and number of current smokers were low. Low vitamin D was observed in 26% (n = 115/442) of the patients, most commonly in male participants (odds ratio (OR) = 1.77, 95% confidence interval (CI) (1.12, 2.79), p = 0.014). Additionally, low vitamin D was correlated with a younger mean age of 41 years (standard deviation (SD) = 12) as opposed to 48 years (SD = 13) in patients with normal vitamin D levels (OR = 0.96, 95% CI (0.94, 0.97), p < 0.001). While our study population indicated a potentially higher prevalence of vitamin D insufficiency in this population compared to the general population, no significant differences in prevalence of symptom or symptom severity scores were observed between the low and normal vitamin D groups. In patients in a Post-COVID Clinic, we found no association between vitamin D levels and long COVID symptoms.
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Affiliation(s)
- Ramsen Ghasan Hikmet
- Department of Infectious Diseases, Aarhus University Hospital, 8200 Aarhus, Denmark (J.A.)
| | - Christian Wejse
- Department of Infectious Diseases, Aarhus University Hospital, 8200 Aarhus, Denmark (J.A.)
- Center for Global Health, Aarhus University (GloHAU), 8000 Aarhus, Denmark
| | - Jane Agergaard
- Department of Infectious Diseases, Aarhus University Hospital, 8200 Aarhus, Denmark (J.A.)
- Department of Clinical Medicine, Aarhus University, 8000 Aarhus, Denmark
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16
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Dziedzic EA, Gąsior JS, Tuzimek A, Dąbrowski M, Kochman W. Correlation between Serum 25-Hydroxyvitamin D Concentration, Monocyte-to-HDL Ratio and Acute Coronary Syndrome in Men with Chronic Coronary Syndrome-An Observational Study. Nutrients 2023; 15:4487. [PMID: 37892562 PMCID: PMC10609971 DOI: 10.3390/nu15204487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 10/19/2023] [Accepted: 10/21/2023] [Indexed: 10/29/2023] Open
Abstract
Cardiovascular disease (CVD) continues to be the leading cause of death in European men. Atherosclerosis and its clinical consequence, chronic coronary syndrome (CCS), comprise two main elements: dysfunction of lipoprotein metabolism and an important inflammatory component that contributes to the development of complications, including acute coronary syndrome (ACS). Measures of both components are combined in a composite marker called monocyte-to-HDL ratio (MHR). Vitamin D was previously described to influence inflammation processes, and its deficiency influences CVD risk factors. This research describes the differences in MHR and total serum 25-hydroxyvitamin D (25(OH)D) concentration between male patients with different diagnoses of CCS and the correlation between 25(OH)D and MHR in this group. Significant differences were observed between ACS and CCS patients in 25(OH)D and MHR-the highest HDL and serum 25(OH)D concentrations were observed in patients with CCS, whereas the highest value of MHR was observed in patients with STEMI. A significant correlation was observed between 25(OH)D, HDL, and MHR. Due to the significant but small nominal difference in MHR values between groups of patients diagnosed with ACS and CCS, and the possible influence of age and hyperlipidemia status on the differences in vitamin D levels in these groups, this subject requires further well-designed research. The suggested bidirectional relationship between MHR and 25(OH)D and the role of MHR as a predictor of vitamin D status in the body also needs to be verified.
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Affiliation(s)
- Ewelina A. Dziedzic
- Cardiovascular Clinic, Centre of Postgraduate Medical Education, 01-813 Warsaw, Poland
| | - Jakub S. Gąsior
- Department of Pediatric Cardiology and General Pediatrics, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Agnieszka Tuzimek
- Cardiovascular Clinic, Centre of Postgraduate Medical Education, 01-813 Warsaw, Poland
| | - Marek Dąbrowski
- Department of Cardiology, Bielanski Hospital, 01-809 Warsaw, Poland
| | - Wacław Kochman
- Cardiovascular Clinic, Centre of Postgraduate Medical Education, 01-813 Warsaw, Poland
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17
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Das DS, Saharia GK, Panigrahi MK, Sahoo D. Association of vitamin D and functional dyspepsia: a case-control study. Ann Med Surg (Lond) 2023; 85:4667-4673. [PMID: 37811112 PMCID: PMC10553082 DOI: 10.1097/ms9.0000000000001204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 08/08/2023] [Indexed: 10/10/2023] Open
Abstract
Background Vitamin D plays a key role in responses of brain-gut axis. It has been suggested that functional dyspepsia (FD) may be associated with decreased levels of vitamin D. Hence this study wished to find the association between vitamin D in patients with FD. Materials and methods This case-control study was done at a tertiary care hospital with 150 cases and 150 controls. FD was diagnosed by the ROME IV criteria. Demographic profile and serum vitamin D levels including Perceived Stress Score (PSS) and salivary amylase were determined for both cases and controls. Results Majority of the FD cases were males (57.3%). Post-prandial distress syndrome represented the major type of FD cases (69.3%). A higher mean BMI was found among the control group (23.2 vs. 21.2, P<0.05) and higher percentage of obese individuals in the control group (42.7% vs. 29.3%, P= 0.05). Majority of the cases are from rural background (89.3% vs. 74%, P<0.001). Comparison of PSS showed that cases had significantly higher grades of PSS than control (P<0.001). However, no significant association was found in the levels of salivary amylase between the groups (P=0.728). Hypovitaminosis D (<30 ng/ml) was found significantly more among cases than controls (73.3% vs. 60%; P<0.05) with an odds ratio of 1.833 (CI 95%= 1.126-2.985). After adjustment of age, place of residence and BMI, vitamin D levels were significantly associated with FD in the regression analysis. Conclusion This study shows significant association of vitamin D deficiency in FD patients. It also opens up new avenues for further research into the role of vitamin D supplementation to further improve the management of such cases.
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18
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Miolo G, Buonadonna A, Scalone S, Lombardi D, Della Puppa L, Steffan A, Corona G. Metabolic Clues to Bile Acid Patterns and Prolonged Survival in Patients with Metastatic Soft-Tissue Sarcoma Treated with Trabectedin. Metabolites 2023; 13:1035. [PMID: 37887360 PMCID: PMC10608628 DOI: 10.3390/metabo13101035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 09/21/2023] [Accepted: 09/22/2023] [Indexed: 10/28/2023] Open
Abstract
Metastatic soft-tissue sarcomas (mSTS) encompass a highly heterogeneous group of rare tumours characterized by different clinical behaviours and outcomes. Currently, prognostic factors for mSTS are very limited, posing significant challenges in predicting patient survival. Within a cohort of 39 mSTS patients undergoing trabectedin treatment, it was remarkable to find one patient who underwent 73 cycles of trabectedin achieving an unforeseen clinical outcome. To identify contributing factors to her exceptional long-term survival, we have explored circulation metabolomics and biohumoral biomarkers to uncover a potential distinct host biochemical phenotype. The long-term survival patient compared with the other mSTS patients exhibited a distinctive metabolic profile characterized by remarkably higher levels of ursodeoxycholic acid (UDCA) derivatives and vitamin D and lower levels of lithocholic acid (LCA) derivatives, as well as reduced levels of inflammatory C-Reactive Protein 4 (C-RP4) biomarker. Despite its exploratory nature, this study reveals a potential association between specific bile acid metabolic profiles and mSTS patients' prognosis. Enhanced clinical understanding of the interplay between bile acid metabolism and disease progression could pave the way for new targeted therapeutic interventions which may improve the overall survival of mSTS patients.
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Affiliation(s)
- Gianmaria Miolo
- Department of Medical Oncology, Unit of Medical Oncology and Cancer Prevention, Centro di Riferimento Oncologico (CRO), IRCCS Aviano, 33081 Aviano, Italy; (G.M.); (A.B.); (S.S.); (D.L.)
| | - Angela Buonadonna
- Department of Medical Oncology, Unit of Medical Oncology and Cancer Prevention, Centro di Riferimento Oncologico (CRO), IRCCS Aviano, 33081 Aviano, Italy; (G.M.); (A.B.); (S.S.); (D.L.)
| | - Simona Scalone
- Department of Medical Oncology, Unit of Medical Oncology and Cancer Prevention, Centro di Riferimento Oncologico (CRO), IRCCS Aviano, 33081 Aviano, Italy; (G.M.); (A.B.); (S.S.); (D.L.)
| | - Davide Lombardi
- Department of Medical Oncology, Unit of Medical Oncology and Cancer Prevention, Centro di Riferimento Oncologico (CRO), IRCCS Aviano, 33081 Aviano, Italy; (G.M.); (A.B.); (S.S.); (D.L.)
| | - Lara Della Puppa
- Unit of Oncogenetics and Functional Oncogenomics, Centro di Riferimento Oncologico (CRO), IRCCS Aviano, 33081 Aviano, Italy;
| | - Agostino Steffan
- Immunopathology and Cancer Biomarkers, Centro di Riferimento Oncologico (CRO), IRCCS Aviano, 33081 Aviano, Italy, 33081 Aviano, Italy;
| | - Giuseppe Corona
- Immunopathology and Cancer Biomarkers, Centro di Riferimento Oncologico (CRO), IRCCS Aviano, 33081 Aviano, Italy, 33081 Aviano, Italy;
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Tiwari AV, Dangore-Khasbage S. Vitamin D and COVID-19: An Update on Evidence and Potential Therapeutic Implications. Cureus 2023; 15:e46121. [PMID: 37900412 PMCID: PMC10612384 DOI: 10.7759/cureus.46121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 09/28/2023] [Indexed: 10/31/2023] Open
Abstract
The COVID-19 pandemic created havoc in the whole world since 2019. It is an explosively spreading infectious disease in which the infectious agent enters the body through sneezing coughing touching etc. The primary site of infection is the respiratory system, and the various common symptoms are dry cough, fever, dyspnea, sore throat, nasal congestion, and loss of taste sensation. A majority of the patients experience diarrhea, vomiting, severe headache, and muscle pain. Many research have been undertaken to study the therapeutic implications of different elements in coronavirus infection. One such element of interest is vitamin D. There is evidence in the literature regarding the usefulness of vitamin D in severe acute respiratory distress syndrome (ARDS) and several respiratory diseases. As the site of infection in coronavirus infection is primarily the respiratory system, reviewing in detail the correlation of this vitamin with SARS-CoV-2 infection, is an area of keen interest. Thus, the aim of this article is to explore and describe in detail the relation between the two, with reference to levels of this vitamin in diagnosed subjects and a need for its supplementation in the management of coronavirus infection and also in the prevention of post-COVID-19 complications. The review concluded that Vitamin D has an immunomodulating function. Its deficiency may lead to severe respiratory illnesses including ARDS. Vitamin D levels affect the disease course in COVID-19 infection and proper blood concentration can reduce the severity of the symptoms as well as post-COVID-19 complications.
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Affiliation(s)
- Aakanksha V Tiwari
- Oral Medicine and Radiology, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Suwarna Dangore-Khasbage
- Oral Medicine and Radiology, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Medical Sciences, Wardha, IND
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20
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Marusca LM, Reddy G, Blaj M, Prathipati R, Rosca O, Bratosin F, Bogdan I, Horhat RM, Tapos GF, Marti DT, Susan M, Pingilati RA, Horhat FG, Adelina M. The Effects of Vitamin D Supplementation on Respiratory Infections in Children under 6 Years Old: A Systematic Review. Diseases 2023; 11:104. [PMID: 37606475 PMCID: PMC10443358 DOI: 10.3390/diseases11030104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 07/27/2023] [Accepted: 08/03/2023] [Indexed: 08/23/2023] Open
Abstract
Childhood respiratory tract infections (RTIs) pose a significant health burden, especially in children under six years old. The main objective of this systematic review was to assess the effectiveness of vitamin D supplementation in the prevention of RTI in this population while also exploring potential effect modifiers such as age, baseline vitamin D status, and type of respiratory infection. A systematic review of the literature published up to February 2023 was conducted according to PRISMA guidelines, searching PubMed, Web of Science, Cochrane, and Scopus databases. Eight studies met the inclusion criteria, which investigated the association between vitamin D supplementation and respiratory infections in children between zero and five years old. The included studies were conducted between 2012 and 2021, encompassing a total of 2189 children from five randomized trials, two case-control studies, and one prospective cohort study. The relationship between vitamin D supplementation and the prevention of childhood RTI was not consistently observed across all included studies. Pooled results demonstrated varied effects of vitamin D supplementation on respiratory infection incidence, severity, and symptoms. Three studies reported statistically significant associations between low vitamin D levels and respiratory infections (OR = 4.90, OR = 6.97), while one study found that children who received vitamin D supplementation of 800 UI/day for 3 months during the cold season had fewer episodes of respiratory symptoms (RR = 0.55) and recovered more quickly from acute RTI. Lastly, according to one study, vitamin D intake < 80 IU/kg/day was significantly associated with the risk of acquiring pneumonia (OR 7.9) but not bronchiolitis. The remaining five studies found no statistically significant differences in infection rates or severity (p-value > 0.050). The available evidence on the effectiveness of vitamin D supplementation for preventing and treating respiratory infections in children under six years old is limited, with only a few favorable effects being reported. In some cases, a dose of 80 UI/kg/day was found to provide significant protection for acute respiratory infections, although in the major trials the only benefit was a quicker recovery and fewer respiratory symptoms, with no impact on incidence and severity of respiratory infections. Nevertheless, the study protocol, the supplementation dose, and duration of supplementation had significant variations between studies, leading to inconclusive findings.
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Affiliation(s)
- Larisa Mihaela Marusca
- Laboratory Medicine, “Louis Turcanu” Emergency Hospital for Children, Doctor Iosif Nemoianu Street, 300011 Timisoara, Romania;
- Doctoral School, “Victor Babes” University of Medicine and Pharmacy Timisoara, 300041 Timisoara, Romania; (F.B.); (I.B.)
| | - Gowry Reddy
- New York Medical College at St. Mary’s and St. Clare’s Hospital, Denville, NJ 07834, USA;
| | - Mihaela Blaj
- Department of Anesthesiology and Intensive Care, Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, University Street, 700115 Iasi, Romania
| | | | - Ovidiu Rosca
- Department of Infectious Diseases, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square 2, 300041 Timisoara, Romania;
| | - Felix Bratosin
- Doctoral School, “Victor Babes” University of Medicine and Pharmacy Timisoara, 300041 Timisoara, Romania; (F.B.); (I.B.)
- Department of Infectious Diseases, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square 2, 300041 Timisoara, Romania;
| | - Iulia Bogdan
- Doctoral School, “Victor Babes” University of Medicine and Pharmacy Timisoara, 300041 Timisoara, Romania; (F.B.); (I.B.)
- Department of Infectious Diseases, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square 2, 300041 Timisoara, Romania;
| | - Razvan Mihai Horhat
- Department of Conservative Dentistry and Endodontics, Faculty of Dental Medicine, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania;
| | - Gabriela-Florentina Tapos
- Department of Emergency Medicine, Arad County Emergency Clinical Hospital, Calea Victoriei, 310037 Arad, Romania;
| | - Daniela-Teodora Marti
- Department of Biology and Life Sciences, Faculty of Medicine, “Vasile Goldis” Western University of Arad, Revolutiei Square 94, 310025 Arad, Romania;
| | - Monica Susan
- Department of Internal Medicine, Discipline of Medical Semiology I, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania;
| | - Raja Akshay Pingilati
- Malla Reddy Institute of Medical Sciences, Suraram Main Road 138, Hyderabad 500055, India;
| | - Florin George Horhat
- Multidisciplinary Research Center on Antimicrobial Resistance (MULTI-REZ), Microbiology Department, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania;
| | - Mavrea Adelina
- Department of Internal Medicine I, Cardiology Clinic, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania;
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21
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Jalavu TP, Sigwadhi LN, Kotze MJ, Yalew A, Ngah V, Tamuzi JL, Chapanduka ZC, Allwood BW, Koegelenberg CF, Irusen EM, Lalla U, Matsha TE, Erasmus RT, Zumla A, Zemlin AE, Nyasulu PS. An investigation of the correlation of vitamin D status and management outcomes in patients with severe COVID-19 at a South African tertiary hospital. IJID REGIONS 2023; 8:S2772-7076(23)00063-2. [PMID: 37363198 PMCID: PMC10234344 DOI: 10.1016/j.ijregi.2023.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 05/24/2023] [Accepted: 05/26/2023] [Indexed: 06/28/2023]
Abstract
Background Severe COVID-19 has a poor prognosis, and biomarkers may predict disease severity. This study aimed to assess the effect of baseline Vitamin D (VitD) inadequacy on outcome of patients with severe COVID-19 admitted to intensive care unit (ICU) in a tertiary hospital in South Africa. Methods Patients with confirmed SARS-CoV-2 were recruited during wave II of the pandemic in Cape Town. Eighty-six patients were included in the study. They were categorized into three groups "VitD deficient, VitD insufficient and VitD sufficient". We combined the VitD deficient with insufficient group to form "VitD inadequate'' group. Cox regression analysis was done to assess the association between VitD status and mortality. Factors with p< 0.05 in adjusted multivariable cox regression were considered statistically significant. Results The proportion of VitD inadequacy was 64% (55/86), with significantly higher proportion of hypertension (66%; p 0.012). Kaplan Meir curve showed no significant difference in the probability of survival among the COVID-19 patients admitted in the ICU with or without VitD inadequacy. However, patients with elevated serum creatinine were significantly more at risk of dying (Adjusted Hazard Ratio 1.008 (1.002 - 1.030, p<0.017). Conclusion Our study found a high prevalence of VitD inadequacy (combined deficiency and insufficiency) in COVID-19 patients admitted to the ICU. This may indicate a possible risk of severe disease. Whilst there was no statistically significant relationship between VitD status and mortality in this cohort, baseline VitD may be an important prognostic biomarker in COVID-19 patients admitted to the ICU, particularly in those with comorbidities that predispose to VitD deficiency.
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Affiliation(s)
- Thumeka P. Jalavu
- Division of Chemical Pathology, Department of Pathology, Faculty of Medicine and Health Sciences, Stellenbosch University and NHLS Tygerberg Hospital, Cape Town, South Africa
| | - Lovemore N. Sigwadhi
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Maritha J. Kotze
- Division of Chemical Pathology, Department of Pathology, Faculty of Medicine and Health Sciences, Stellenbosch University and NHLS Tygerberg Hospital, Cape Town, South Africa
| | - Anteneh Yalew
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Vera Ngah
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Jacques L. Tamuzi
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Zivanai C. Chapanduka
- Division of Haematological Pathology, Department of Pathology, Faculty of Medicine and Health Sciences, Stellenbosch University and NHLS Tygerberg Hospital, Cape Town, South Africa
| | - Brian W. Allwood
- Division of Pulmonology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University and Tygerberg Hospital, Cape Town, South Africa
| | - Coenraad F. Koegelenberg
- Division of Pulmonology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University and Tygerberg Hospital, Cape Town, South Africa
| | - Elvis M. Irusen
- Division of Pulmonology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University and Tygerberg Hospital, Cape Town, South Africa
| | - Usha Lalla
- Division of Pulmonology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University and Tygerberg Hospital, Cape Town, South Africa
| | - Tandi E. Matsha
- Sefako Makgatho Health Sciences University, Ga-Rankuwa, Pretoria, South Africa
- SAMRC/CPUT/Cardiometabolic Health Research Unit, Cape Peninsula University of Technology, Cape Town, South Africa
| | - Rajiv T. Erasmus
- Division of Chemical Pathology, Department of Pathology, Faculty of Medicine and Health Sciences, Stellenbosch University and NHLS Tygerberg Hospital, Cape Town, South Africa
| | - Alimmudin Zumla
- Center for Clinical Microbiology, Division of Infection and Immunity, University College London, NIHR Biomedical Research Centre, UCL Hospitals NHS Foundation Trust, London, United Kingdom
| | - Annalise E. Zemlin
- Division of Chemical Pathology, Department of Pathology, Faculty of Medicine and Health Sciences, Stellenbosch University and NHLS Tygerberg Hospital, Cape Town, South Africa
| | - Peter S. Nyasulu
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
- Division of Epidemiology and Biostatistics, School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
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22
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Xiaoxia L, Jilong J, Xianrui C, Yanhui C. Vitamin D status and tic disorder: a systematic review and meta-analysis of observational studies. Front Pediatr 2023; 11:1173741. [PMID: 37325365 PMCID: PMC10267821 DOI: 10.3389/fped.2023.1173741] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 05/09/2023] [Indexed: 06/17/2023] Open
Abstract
Objective Tic disorders (TD) are a common neurodevelopmental disorder, it can be divided into transient tic disorder (TTD), chronic motor or vocal tic disorder (CTD), and Tourette syndrome (TS). Our research is to evaluate the clinical relationship between tic disorders and vitamin D level in children. Methods Online databases, including CNKI, Wanfang, VIP, Cochrane Library, PubMed and Embase digital knowledge service platform, were checked up to June 2022 for relevant observational studies published in Chinese and English. A random-effects model was incorporated to summarize the study results. The RevMan5.3 software was used for meta-analysis. Results Out of 132 retrieved articles, 13 observational studies were eligible for inclusion in the systematic review and meta-analysis, comparing serum Vitamin D levels between children with TD and HC (healthy controls), including different subtypes of TD (TTD, CTD and TS). The results showed that the serum vitamin D levels in the TD group were lower than those in the HC group (MD = -6.64, 95% CI: -9.36 to -3.93, P < 0.001, Heterogeneity test: P < 0.001, I2 = 94%). There were no statistically significant differences in serum vitamin D levels between the TTD group and the CTD group (MD = 3.84, 95% CI: -0.59 to 8.26, P = 0.09, Heterogeneity test: P < 0.001, I2 = 90%), or between the CTD group and the TS group (MD = 1.06, 95% CI: -0.04 to 2.16, P = 0.0, Heterogeneity test: P = 0.54, I2 = 0%). However, there was a statistically significant difference in serum vitamin D levels between the TTD group and the TS group (MD = 5.24, 95% CI: 0.68-9.80, P = 0.02, Heterogeneity test: P < 0.001, I2 = 92%). The study also found a statistically significant difference in the ratio of male children between the TD group and the HC group (OR = 1.48, 95% CI: 1.07-2.03, P = 0.02, Heterogeneity test: P < 0.001, I2 = 74%), but no statistically significant difference in the age of children between the TD group and the HC group (OR = 0.46, 95% CI: -0.33 to 1.24, P = 0.25, Heterogeneity test: P < 0.001, I2 = 96%). Conclusions Our meta-analysis showed that the vitamin D level of children with TD was lower than that of healthy children. However, there was no difference between the subgroup. Due to the limitations of included studies in research design and diagnostic criteria, large samples, multi-center and high-quality studies are still needed for further analysis and confirmation.
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Affiliation(s)
- Lin Xiaoxia
- Department of Pediatrics, Fujian Medical University Union Hospital, Fuzhou, China
| | - Jiang Jilong
- Department of Pediatrics, Fujian Medical University Union Hospital, Fuzhou, China
| | - Chen Xianrui
- Department of Pediatric Rehabilitation, Xiamen Rehabilitation Hospital, Xiamen, China
| | - Chen Yanhui
- Department of Pediatrics, Fujian Medical University Union Hospital, Fuzhou, China
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23
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Elkoshi Z. The Contrasting Seasonality Patterns of Some Cancer-Types and Herpes Zoster Can Be Explained by a Binary Classification of Immunological Reactions. J Inflamm Res 2022; 15:6761-6771. [PMID: 36544697 PMCID: PMC9762256 DOI: 10.2147/jir.s392082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 12/01/2022] [Indexed: 12/23/2022] Open
Abstract
A binary classification of the pathogenic immune reactions as anti-inflammatory high-Treg reactions or pro-inflammatory low-Treg reactions explains both the relatively low incidence rate of several types of cancer, and the relatively high incidence rate of herpes zoster cases diagnosed in the summer compared to cases diagnosed in the winter (in regions with temperate climate). This binary model also elucidates the longer survival of cancer patients diagnosed during the summer compared to these diagnosed in the winter. The three key elements of this explanation are: (a) the effect of sunlight on Treg production; (b) the evolvement of cancer from a low-Treg condition at early stage, to a high-Treg condition at advanced stage, and (c) the evolvement of herpes zoster from a high-Treg condition at pre-exudative stage to a low-Treg condition at acute exudative stage. A significant proportion of indolent tumors at the time of diagnosis (>20%) is a prerequisite for a beneficial effect of sunlight on cancer incidence rate and prognosis. This prerequisite restricts the beneficial effect of diagnosis during summer to certain types of cancer. Clinical implication: the prognosis of early stage tumors may be improved by a course of corticosteroid (or other immunosuppressant) treatment.
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Affiliation(s)
- Zeev Elkoshi
- Research and Development Department, Taro Pharmaceutical Industries Ltd, Haifa, Israel,Correspondence: Zeev Elkoshi, Email
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24
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Nova A, Baldrighi GN, Fazia T, Graziano F, Saddi V, Piras M, Beecham A, McCauley JL, Bernardinelli L. Heritability Estimation of Multiple Sclerosis Related Plasma Protein Levels in Sardinian Families with Immunochip Genotyping Data. LIFE (BASEL, SWITZERLAND) 2022; 12:life12071101. [PMID: 35888189 PMCID: PMC9317284 DOI: 10.3390/life12071101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/19/2022] [Accepted: 07/20/2022] [Indexed: 11/25/2022]
Abstract
This work aimed at estimating narrow-sense heritability, defined as the proportion of the phenotypic variance explained by the sum of additive genetic effects, via Haseman–Elston regression for a subset of 56 plasma protein levels related to Multiple Sclerosis (MS). These were measured in 212 related individuals (with 69 MS cases and 143 healthy controls) obtained from 20 Sardinian families with MS history. Using pedigree information, we found seven statistically significant heritable plasma protein levels (after multiple testing correction), i.e., Gc (h2 = 0.77; 95%CI: 0.36, 1.00), Plat (h2 = 0.70; 95%CI: 0.27, 0.95), Anxa1 (h2 = 0.68; 95%CI: 0.27, 1.00), Sod1 (h2 = 0.58; 95%CI: 0.18, 0.96), Irf8 (h2 = 0.56; 95%CI: 0.19, 0.99), Ptger4 (h2 = 0.45; 95%CI: 0.10, 0.96), and Fadd (h2 = 0.41; 95%CI: 0.06, 0.84). A subsequent analysis was performed on these statistically significant heritable plasma protein levels employing Immunochip genotyping data obtained in 155 healthy controls (92 related and 63 unrelated); we found a meaningful proportion of heritable plasma protein levels’ variability explained by a small set of SNPs. Overall, the results obtained, for these seven MS-related proteins, emphasized a high additive genetic variance component explaining plasma levels’ variability.
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Affiliation(s)
- Andrea Nova
- Department of Brain and Behavioral Sciences, University of Pavia, 27100 Pavia, Italy; (G.N.B.); (T.F.); (L.B.)
- Correspondence:
| | - Giulia Nicole Baldrighi
- Department of Brain and Behavioral Sciences, University of Pavia, 27100 Pavia, Italy; (G.N.B.); (T.F.); (L.B.)
| | - Teresa Fazia
- Department of Brain and Behavioral Sciences, University of Pavia, 27100 Pavia, Italy; (G.N.B.); (T.F.); (L.B.)
| | - Francesca Graziano
- Centre of Biostatistics for Clinical Epidemiology, University of Milano-Bicocca, 20900 Monza, Italy;
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy
| | - Valeria Saddi
- Divisione di Neurologia, Presidio Ospedaliero S. Francesco, ASL Numero 3 Nuoro, 08100 Nuoro, Italy; (V.S.); (M.P.)
| | - Marialuisa Piras
- Divisione di Neurologia, Presidio Ospedaliero S. Francesco, ASL Numero 3 Nuoro, 08100 Nuoro, Italy; (V.S.); (M.P.)
| | - Ashley Beecham
- John P. Hussman Institute for Human Genomics, Miller School of Medicine, University of Miami, Miami, FL 33146, USA; (A.B.); (J.L.M.)
- Dr. John T. Macdonald Foundation Department of Human Genetics, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Jacob L. McCauley
- John P. Hussman Institute for Human Genomics, Miller School of Medicine, University of Miami, Miami, FL 33146, USA; (A.B.); (J.L.M.)
- Dr. John T. Macdonald Foundation Department of Human Genetics, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Luisa Bernardinelli
- Department of Brain and Behavioral Sciences, University of Pavia, 27100 Pavia, Italy; (G.N.B.); (T.F.); (L.B.)
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