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Saeki C, Saito M, Tsubota A. Association of chronic liver disease with bone diseases and muscle weakness. J Bone Miner Metab 2024; 42:399-412. [PMID: 38302761 DOI: 10.1007/s00774-023-01488-x] [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: 10/02/2023] [Accepted: 11/16/2023] [Indexed: 02/03/2024]
Abstract
The liver is a vital organ involved in nutrient metabolism, hormone regulation, immunity, cytokine production, and gut homeostasis. Impairment in liver function can result in malnutrition, chronic inflammation, decreased anabolic hormone levels, and dysbiosis. These conditions eventually cause an imbalance in osteoblast and osteoclast activities, resulting in bone loss. Osteoporosis is a frequent complication of chronic liver disease (CLD) that adversely affects quality of life and increases early mortality. Sarcopenia is another common complication of CLD characterized by progressive loss of skeletal muscle mass and function. Assessment criteria for sarcopenia specific to liver disease have been established, and sarcopenia has been reported to be associated with an increase in the risk of liver disease-related events and mortality in patients with CLD. Owing to their similar risk factors and underlying pathophysiological mechanisms, osteoporosis and sarcopenia often coexist (termed osteosarcopenia), progress in parallel, and further exacerbate the conditions mentioned above. Therefore, comprehensive management of these musculoskeletal disorders is imperative. This review summarizes the clinical implications and characteristics of osteoporosis, extending to sarcopenia and osteosarcopenia, in patients with CLD caused by different etiologies.
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Affiliation(s)
- Chisato Saeki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Mitsuru Saito
- Department of Orthopedic Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Akihito Tsubota
- Project Research Units, Research Center for Medical Science, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo, 105-8461, Japan.
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Musio A, Perazza F, Leoni L, Stefanini B, Dajti E, Menozzi R, Petroni ML, Colecchia A, Ravaioli F. Osteosarcopenia in NAFLD/MAFLD: An Underappreciated Clinical Problem in Chronic Liver Disease. Int J Mol Sci 2023; 24:ijms24087517. [PMID: 37108675 PMCID: PMC10139188 DOI: 10.3390/ijms24087517] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/07/2023] [Accepted: 04/10/2023] [Indexed: 04/29/2023] Open
Abstract
Chronic liver disease (CLD), including non-alcoholic fatty liver disease (NAFLD) and its advanced form, non-alcoholic steatohepatitis (NASH), affects a significant portion of the population worldwide. NAFLD is characterised by fat accumulation in the liver, while NASH is associated with inflammation and liver damage. Osteosarcopenia, which combines muscle and bone mass loss, is an emerging clinical problem in chronic liver disease that is often underappreciated. The reductions in muscle and bone mass share several common pathophysiological pathways; insulin resistance and chronic systemic inflammation are the most crucial predisposing factors and are related to the presence and gravity of NAFLD and to the worsening of the outcome of liver disease. This article explores the relationship between osteosarcopenia and NAFLD/MAFLD, focusing on the diagnosis, prevention and treatment of this condition in patients with CLD.
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Affiliation(s)
- Alessandra Musio
- Department of Medical and Surgical Sciences, IRCCS-Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | - Federica Perazza
- Department of Medical and Surgical Sciences, IRCCS-Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | - Laura Leoni
- Department of Medical and Surgical Sciences, IRCCS-Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
- Division of Metabolic Diseases and Clinical Nutrition, Department of Specialistic Medicines, University Hospital of Modena and Reggio Emilia, Largo del Pozzo 71, 41125 Modena, Italy
| | - Bernardo Stefanini
- Department of Medical and Surgical Sciences, IRCCS-Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | - Elton Dajti
- Department of Medical and Surgical Sciences, IRCCS-Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | - Renata Menozzi
- Division of Metabolic Diseases and Clinical Nutrition, Department of Specialistic Medicines, University Hospital of Modena and Reggio Emilia, Largo del Pozzo 71, 41125 Modena, Italy
| | - Maria Letizia Petroni
- Department of Medical and Surgical Sciences, IRCCS-Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | - Antonio Colecchia
- Gastroenterology Unit, Department of Medical Specialties, University Hospital of Modena, University of Modena & Reggio Emilia, 41121 Modena, Italy
| | - Federico Ravaioli
- Department of Medical and Surgical Sciences, IRCCS-Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
- Gastroenterology Unit, Department of Medical Specialties, University Hospital of Modena, University of Modena & Reggio Emilia, 41121 Modena, Italy
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Effect of Vitamin D Supplementation on Skeletal Muscle Volume and Strength in Patients with Decompensated Liver Cirrhosis Undergoing Branched Chain Amino Acids Supplementation: A Prospective, Randomized, Controlled Pilot Trial. Nutrients 2021; 13:nu13061874. [PMID: 34070910 PMCID: PMC8228227 DOI: 10.3390/nu13061874] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/25/2021] [Accepted: 05/27/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Sarcopenia worsens patient prognoses in chronic liver disease. This study aimed to elucidate the effects of vitamin D supplementation on skeletal muscle volume and strength in patients with decompensated cirrhosis. METHODS Thirty-three patients were entered into the study based on the criteria and then randomly assigned to two groups: Group A (n = 17), the control group, and Group B (n = 16), those who received oral native vitamin D3 at a dose of 2000 IU once a day for 12 months. RESULTS SMI values in Group B were significantly increased at 12 months (7.64 × 10-3). The extent of changes in the SMI and grip strength in Group B were significantly greater than that in Group A at 12 months (p = 2.57 × 10-3 and 9.07 × 10-3). The median change rates in the SMI were +5.8% and the prevalence of sarcopenia was significantly decreased from 80.0% (12/15) to 33.3% (5/15; p = 2.53 × 10-2) in Group B. CONCLUSIONS Vitamin D supplementation might be an effective and safe treatment option for patients with decompensated cirrhosis to increase or restore the skeletal muscle volume and strength or prevent the muscle volume and strength losses.
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Low Serum 25-Hydroxyvitamin D Levels Are Related to Frailty and Sarcopenia in Patients with Chronic Liver Disease. Nutrients 2020; 12:nu12123810. [PMID: 33322706 PMCID: PMC7764249 DOI: 10.3390/nu12123810] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/08/2020] [Accepted: 12/11/2020] [Indexed: 02/07/2023] Open
Abstract
Low vitamin D status is related to frailty and/or sarcopenia in elderly individuals. However, these relationships are unclear in patients with chronic liver disease (CLD). This study aimed at exploring the relationship between serum 25-hydroxyvitamin D [25(OH)D] levels and frailty or sarcopenia in 231 patients with CLD. Frailty was determined based on five factors (weight loss, low physical activity, weakness, slowness, and exhaustion). Sarcopenia was diagnosed by applying the Japan Society of Hepatology criteria. The patients were classified into three groups according to baseline 25(OH)D levels: low (L), intermediate (I), and high (H) vitamin D (VD) groups. Of the 231 patients, 70 (30.3%) and 66 (28.6%) had frailty and sarcopenia, respectively. The prevalence rate of frailty and sarcopenia significantly increased stepwise with a decline in the vitamin D status. The L-VD group showed the highest prevalence rates of frailty and sarcopenia (49.1% (28/57), p < 0.001 for both), whereas the H-VD group showed the lowest prevalence rates of frailty (15.3% (9/59)) and sarcopenia (18.6% (11/59)) (p < 0.001 for both). Multivariate analysis identified serum 25(OH)D levels as a significant independent factor related to frailty and sarcopenia. Serum 25(OH)D levels significantly correlated with handgrip strength, skeletal muscle mass index, and gait speed. In conclusion, low serum vitamin D level, especially severe vitamin D deficient status, is closely related to frailty and sarcopenia in patients with CLD.
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Udomsinprasert W, Jittikoon J, Sukkho S, Pojarassangkul N, Sangroongruangsri S, Chaikledkaew U. Decreased circulating vitamin D reflects adverse outcomes of hepatitis C virus infection: A systematic review and meta-analysis. J Infect 2020; 81:585-599. [PMID: 32553842 DOI: 10.1016/j.jinf.2020.06.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 05/21/2020] [Accepted: 06/12/2020] [Indexed: 02/07/2023]
Abstract
OBJECTIVES This study aimed to clarify associations of circulating vitamin D and its status with severity of HCV infection. METHODS We performed systemic literature search in PubMed, Scopus, and Cochrane library databases from inception until the end of December 2019 with terms related to vitamin D and hepatitis C. RESULTS A total of 28 studies consisting of 7736 HCV-infected patients and 14061 control subjects without liver diseases were included. Compared to controls, circulating vitamin D levels were significantly lessened in HCV-infected patients (mean difference, MD=-14.15, 95% CI: -20.51 to -7.80). Remarkably decreased circulating vitamin D was found in the patients with severe fibrosis (MD=-3.38, 95% CI: -4.51 to -2.25), non-achieving SVR (MD=-2.99, 95%CI: -5.55 to -0.42), and advanced inflammation (MD=-4.68, 95% CI: -8.50 to -0.86). Low vitamin D status (<20 ng/mL) was significantly associated with increased odds of HCV infection (pooled OR=2.41, 95% CI: 1.48 to 3.95). Besides, HCV-infected patients with low vitamin D status showed significantly escalated odds of severe fibrosis and non-achieving SVR (pooled OR=1.70, 95% CI: 1.27 to 2.26; pooled OR=2.04, 95% CI: 1.62 to 2.57, respectively). CONCLUSION HCV-infected patients with declined circulating vitamin D levels were associated with severe fibrosis, non-achieving SVR, and advanced inflammation.
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Affiliation(s)
- Wanvisa Udomsinprasert
- Department of Biochemistry, Faculty of Pharmacy, Mahidol University, 447 Sri-Ayudhaya Road, Rajathevi, Bangkok 10400, Thailand.
| | - Jiraphun Jittikoon
- Department of Biochemistry, Faculty of Pharmacy, Mahidol University, 447 Sri-Ayudhaya Road, Rajathevi, Bangkok 10400, Thailand.
| | - Sorraya Sukkho
- Department of Biochemistry, Faculty of Pharmacy, Mahidol University, 447 Sri-Ayudhaya Road, Rajathevi, Bangkok 10400, Thailand.
| | - Nicha Pojarassangkul
- Department of Biochemistry, Faculty of Pharmacy, Mahidol University, 447 Sri-Ayudhaya Road, Rajathevi, Bangkok 10400, Thailand.
| | - Sermsiri Sangroongruangsri
- Social and Administrative Pharmacy Division, Department of Pharmacy, Faculty of Pharmacy, Mahidol University, Bangkok 10400, Thailand.
| | - Usa Chaikledkaew
- Social and Administrative Pharmacy Division, Department of Pharmacy, Faculty of Pharmacy, Mahidol University, Bangkok 10400, Thailand; Mahidol University Health Technology Assessment (MUHTA) Graduate Program, Bangkok 10400, Thailand.
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Okubo T, Atsukawa M, Tsubota A, Yoshida Y, Arai T, Iwashita AN, Itokawa N, Kondo C, Iwakiri K. Relationship between serum vitamin D level and sarcopenia in chronic liver disease. Hepatol Res 2020; 50:588-597. [PMID: 31914479 DOI: 10.1111/hepr.13485] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 12/25/2019] [Accepted: 12/26/2019] [Indexed: 12/16/2022]
Abstract
AIM Although the association of vitamin D with primary sarcopenia has been extensively investigated, its relationship with secondary sarcopenia in patients with liver disease remains unclear. This study aimed to identify factors associated with sarcopenia in patients with chronic liver disease with a focus on serum vitamin D levels. METHODS The study included 204 patients with chronic liver disease. Independent factors significantly associated with sarcopenia were determined using multiple logistic regression analysis. The sarcopenia diagnosis was based on the sarcopenia criteria proposed by the Japan Society of Hepatology. Serum 25-hydroxyvitamin D3 (25[OH]D3 ) levels to represent serum vitamin D levels were measured using double-antibody radioimmunoassay, and vitamin D deficiency was defined as a serum 25(OH)D3 level of ≤20 ng/mL. RESULTS The prevalence of sarcopenia in the cirrhotic patients (28/76, 36.8%) was significantly higher than that in the non-cirrhotic patients (18/128, 14.1%; P = 2.48 × 10-4 ). Sarcopenia was diagnosed in 44 (27.5%) of the 160 patients with vitamin D deficiency, and two (4.5%) of the 44 patients without vitamin D deficiency (P = 4.90 × 10-3 ). On multivariate analysis, advanced age (odds ratio 1.11; P = 2.10 × 10-4 ), low body mass index (odds ratio 1.42; p = 2.08 × 10-5 ), and low serum 25(OH)D3 level (odds ratio 1.13; p = 1.20 × 10-2 ) were significant, independent factors associated with sarcopenia. Serum 25(OH)D3 was positively correlated with grip strength and skeletal muscle mass index. CONCLUSION Sarcopenia complicated by chronic liver disease was associated with advanced age, low body mass index, and low serum 25(OH)D3 level.
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Affiliation(s)
- Tomomi Okubo
- Department of Internal Medicine, Division of Gastroenterology, Nippon Medical School Chiba Hokusoh Hospital, Chiba, Japan
| | - Masanori Atsukawa
- Department of Internal Medicine, Division of Gastroenterology, Nippon Medical School Chiba Hokusoh Hospital, Chiba, Japan.,Department of Internal Medicine, Division of Gastroenterology and Hepatology, Nippon Medical School, Tokyo, Japan
| | - Akihito Tsubota
- Core Research Facilities, The Jikei University School of Medicine, Tokyo, Japan
| | - Yuji Yoshida
- Department of Internal Medicine, Division of Gastroenterology, Nippon Medical School Chiba Hokusoh Hospital, Chiba, Japan
| | - Taeang Arai
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, Nippon Medical School, Tokyo, Japan
| | - Ai-Nakagawa Iwashita
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, Nippon Medical School, Tokyo, Japan
| | - Norio Itokawa
- Department of Internal Medicine, Division of Gastroenterology, Nippon Medical School Chiba Hokusoh Hospital, Chiba, Japan
| | - Chisa Kondo
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, Nippon Medical School, Tokyo, Japan
| | - Katsuhiko Iwakiri
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, Nippon Medical School, Tokyo, Japan
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Arai T, Atsukawa M, Tsubota A, Koeda M, Yoshida Y, Okubo T, Nakagawa A, Itokawa N, Kondo C, Nakatsuka K, Masu T, Kato K, Shimada N, Hatori T, Emoto N, Kage M, Iwakiri K. Association of vitamin D levels and vitamin D-related gene polymorphisms with liver fibrosis in patients with biopsy-proven nonalcoholic fatty liver disease. Dig Liver Dis 2019; 51:1036-1042. [PMID: 30683615 DOI: 10.1016/j.dld.2018.12.022] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 12/19/2018] [Accepted: 12/24/2018] [Indexed: 02/06/2023]
Abstract
BACKGROUND Vitamin D has promising anti-proliferative and anti-fibrotic properties, but its clinical utility in nonalcoholic fatty liver disease (NAFLD) is unclear. AIMS This study aimed to clarify the association between vitamin D levels, single nucleotide polymorphisms (SNPs) in vitamin D-related genes, and the histopathological severity of disease in patients with biopsy-proven NAFLD. METHODS SNPs in CYP2R1, DHCR7, vitamin D binding protein (GC), CYP27B1, and vitamin D receptor (VDR) were determined for 229 consecutive patients with biopsy-proven NAFLD. RESULTS In this study, vitamin D deficiency defined as 25-hydroxyvitamin-D3 levels of ≤20 ng/mL was found in 151 patients (65.9%). Multivariate analysis revealed that cold season, advanced fibrosis, and CYP2R1 rs1993116 genotype non-AA were independent factors significantly associated with vitamin D deficiency. Old age (p = 5.05 × 10-8), high body mass index (p = 2.13 × 10-2), low total-cholesterol (p = 1.46 × 10-4), low serum vitamin D level (p = 7.34 × 10-3), and VDR rs1544410 genotype CC (p = 9.15 × 10-3) were independent factors associated with advanced liver fibrosis. CONCLUSION Serum 25-hydroxyvitamin-D3 levels and the VDR gene SNP were significantly and independently associated with the severity of liver fibrosis in patients with biopsy-proven NAFLD.
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Affiliation(s)
- Taeang Arai
- Division of Gastroenterology, Department of Internal Medicine, Nippon Medical School Chiba Hokusoh Hospital, Inzai, Chiba, Japan
| | - Masanori Atsukawa
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Nippon Medical School, Tokyo, Japan.
| | - Akihito Tsubota
- Core Research Facilities for Basic Science, Research Center for Medical Sciences, The Jikei University School of Medicine, Tokyo, Japan
| | - Mai Koeda
- Division of Gastroenterology, Department of Internal Medicine, Nippon Medical School Chiba Hokusoh Hospital, Inzai, Chiba, Japan
| | - Yuji Yoshida
- Division of Gastroenterology, Department of Internal Medicine, Nippon Medical School Chiba Hokusoh Hospital, Inzai, Chiba, Japan
| | - Tomomi Okubo
- Division of Gastroenterology, Department of Internal Medicine, Nippon Medical School Chiba Hokusoh Hospital, Inzai, Chiba, Japan
| | - Ai Nakagawa
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Nippon Medical School, Tokyo, Japan
| | - Norio Itokawa
- Division of Gastroenterology, Department of Internal Medicine, Nippon Medical School Chiba Hokusoh Hospital, Inzai, Chiba, Japan
| | - Chisa Kondo
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Nippon Medical School, Tokyo, Japan
| | - Katsuhisa Nakatsuka
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Nippon Medical School, Tokyo, Japan
| | - Takushi Masu
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Nippon Medical School, Tokyo, Japan
| | - Keizo Kato
- Department of Gastroenterology and Hepatology, Department of Internal Medicine, Shinmatsudo Central General Hospital, Matsudo, Chiba, Japan
| | - Noritomo Shimada
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Otakanomori Hospital, Kashiwa, Chiba, Japan
| | - Tsutomu Hatori
- Division of Pathology, Nippon Medical School Chiba Hokusoh Hospital, Inzai, Chiba, Japan
| | - Naoya Emoto
- Division of Endocrinology, Department of Internal Medicine, Nippon Medical School Chiba Hokusoh Hospital, Inzai, Chiba, Japan
| | - Masayoshi Kage
- Molecular Targeting Therapeutics Division, Research Center for Innovative Cancer Therapy, Kurume University, Fukuoka, Japan
| | - Katsuhiko Iwakiri
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Nippon Medical School, Tokyo, Japan
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Itokawa N, Atsukawa M, Tsubota A, Abe H, Shimada N, Okubo T, Arai T, Nakagawa A, Kondo C, Aizawa Y, Iwakiri K. The Relationship Between 25-Hydroxyvitamin D3 and Hepatitis B Surface Antigen Levels in Patients with Chronic Hepatitis B in Japan. HEPATITIS MONTHLY 2018; 18. [DOI: 10.5812/hepatmon.63587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
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Hoan NX, Tong HV, Song LH, Meyer CG, Velavan TP. Vitamin D deficiency and hepatitis viruses-associated liver diseases: A literature review. World J Gastroenterol 2018; 24:445-460. [PMID: 29398866 PMCID: PMC5787780 DOI: 10.3748/wjg.v24.i4.445] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 01/08/2018] [Accepted: 01/16/2018] [Indexed: 02/06/2023] Open
Abstract
The secosteroid hormone vitamin D has, in addition to its effects in bone metabolism also functions in the modulation of immune responses against infectious agents and in inhibiting tumorigenesis. Thus, deficiency of vitamin D is associated with several malignancies, but also with a plethora of infectious diseases. Among other communicable diseases, vitamin D deficiency is involved in the pathogenesis of chronic liver diseases caused by hepatitis B and C viruses (HBV, HCV) and high prevalence of vitamin D deficiency with serum levels below 20 mg/mL in patients with HBV and HCV infection are found worldwide. Several studies have assessed the effects of vitamin D supplementation on the sustained virological response (SVR) to interferon (IFN) plus ribavirin (RBV) therapy in HBV and HCV infection. In these studies, inconsistent results were reported. This review addresses general aspects of vitamin D deficiency and, in particular, the significance of vitamin D hypovitaminosis in the outcome of HBV- and HCV-related chronic liver diseases. Furthermore, current literature was reviewed in order to understand the effects of vitamin D supplementation in combination with IFN-based therapy on the virological response in HBV and HCV infected patients.
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Affiliation(s)
- Nghiem Xuan Hoan
- Institute of Clinical Infectious Diseases, 108 Military Central Hospital, Hanoi 10004, Vietnam
- Molecular Genetics of Infectious Diseases, Institute of Tropical Medicine, University of Tübingen, Tübingen 72074, Germany
- Vietnamese-German Center of Medical Research (VG-CARE), Hanoi 10004, Vietnam
| | - Hoang Van Tong
- Vietnamese-German Center of Medical Research (VG-CARE), Hanoi 10004, Vietnam
- Institute of Biomedicine and Pharmacy, Vietnam Military Medical University, Hanoi 10004, Vietnam
| | - Le Huu Song
- Institute of Clinical Infectious Diseases, 108 Military Central Hospital, Hanoi 10004, Vietnam
- Vietnamese-German Center of Medical Research (VG-CARE), Hanoi 10004, Vietnam
| | - Christian G Meyer
- Molecular Genetics of Infectious Diseases, Institute of Tropical Medicine, University of Tübingen, Tübingen 72074, Germany
- Vietnamese-German Center of Medical Research (VG-CARE), Hanoi 10004, Vietnam
- Medical Faculty, Duy Tan University, Da Nang, Vietnam
| | - Thirumalaisamy P Velavan
- Molecular Genetics of Infectious Diseases, Institute of Tropical Medicine, University of Tübingen, Tübingen 72074, Germany
- Vietnamese-German Center of Medical Research (VG-CARE), Hanoi 10004, Vietnam
- Medical Faculty, Duy Tan University, Da Nang, Vietnam
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Okubo T, Atsukawa M, Tsubota A, Shimada N, Abe H, Yoshizawa K, Arai T, Nakagawa A, Itokawa N, Kondo C, Aizawa Y, Iwakiri K. Association between vitamin D deficiency and pre-existing resistance-associated hepatitis C virus NS5A variants. Hepatol Res 2017; 47:641-649. [PMID: 27487797 DOI: 10.1111/hepr.12784] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Revised: 06/21/2016] [Accepted: 07/27/2016] [Indexed: 12/15/2022]
Abstract
AIM Although interferon-free therapy with direct-acting antivirals has developed as a standard of care for chronic hepatitis C, the existence of resistance-associated variants (RAVs) has a negative impact on treatment results. Recently, several studies indicated a relationship between chronic hepatitis C and serum vitamin D levels. However, the relationship between RAVs at the hepatitis C virus non-structure 5A (NS5A) region and serum vitamin D level has not yet been examined. METHODS Among patients with genotype 1 chronic hepatitis C who were enrolled in a multicenter cooperative study, our subjects comprised 247 patients in whom it was possible to measure RAVs at the NS5A region. These RAVs were measured using a direct sequencing method. RESULTS The median age of patients was 70 years (range, 24-87 years), and the number of female patients was 135 (54.7%). The median serum 25(OH) D3 level was 22 ng/mL (range, 6-64 ng/mL). L31 and Y93 RAVs at the NS5A region were detected in 3.7% (9/247) and 13.4% (33/247) of patients, respectively. Multivariate analysis identified vitamin D deficiency (serum 25(OH) D3 ≤ 20 ng/mL) (P = 5.91 × 10⁻5 , odds ratio = 5.015) and elderly age (>70 years) (P = 1.85 × 10-3 , odds ratio = 3.364) as contributing independent factors associated with the presence of the L31 and/or Y93 RAVs. The Y93H RAV was detected in 25.9% (29/112) of patients with a vitamin D deficiency, and in 8.9% (12/135) of those with a serum 25(OH) D3 level >20 ng/mL (P = 4.90 × 10-3 ). CONCLUSION We showed that RAVs at the NS5A region are associated with vitamin D deficiency and elderly age, which may have a negative influence on innate/adaptive immune responses to hepatitis C virus infection.
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Affiliation(s)
- Tomomi Okubo
- Division of Gastroenterology, Department of Internal Medicine, Nippon Medical School Chiba Hokusoh Hospital, Chiba, Japan
| | - Masanori Atsukawa
- Division of Gastroenterology, Department of Internal Medicine, Nippon Medical School Chiba Hokusoh Hospital, Chiba, Japan
| | - Akihito Tsubota
- Core Research Facilities for Basic Science, Research Center for Medical Sciences, Jikei University School of Medicine, Tokyo, Japan
| | - Noritomo Shimada
- Division of Gastroenterology and Hepatology, Otakanomori Hospital, Chiba, Japan
| | - Hiroshi Abe
- Division of Gastroenterology and Hepatology, Jikei University School of Medicine Katsusika Medical Center, Tokyo, Japan
| | - Kai Yoshizawa
- Division of Gastroenterology, Machida Municipal Hospital, Tokyo, Japan
| | - Taeang Arai
- Division of Gastroenterology, Department of Internal Medicine, Nippon Medical School Chiba Hokusoh Hospital, Chiba, Japan
| | - Ai Nakagawa
- Division of Gastroenterology, Department of Internal Medicine, Nippon Medical School Chiba Hokusoh Hospital, Chiba, Japan
| | - Norio Itokawa
- Division of Gastroenterology, Department of Internal Medicine, Nippon Medical School Chiba Hokusoh Hospital, Chiba, Japan
| | - Chisa Kondo
- Division of Gastroenterology, Department of Internal Medicine, Nippon Medical School Chiba Hokusoh Hospital, Chiba, Japan
| | - Yoshio Aizawa
- Division of Gastroenterology and Hepatology, Jikei University School of Medicine Katsusika Medical Center, Tokyo, Japan
| | - Katsuhiko Iwakiri
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Nippon Medical School, Tokyo, Japan
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