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El-Masry AS, Medhat AM, El-Bendary M, Mohamed RH. Vitamin D receptor rs3782905 and vitamin D binding protein rs7041 polymorphisms are associated with hepatocellular carcinoma susceptibility in cirrhotic HCV patients. BMC Med Genomics 2023; 16:319. [PMID: 38066559 PMCID: PMC10704848 DOI: 10.1186/s12920-023-01749-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND The severity of chronic hepatitis C and susceptibility to hepatocellular carcinoma (HCC) are associated with genetic variations within vitamin D receptor (VDR) in several populations. This study aims to determine the significance of the VDRs (rs2228570, rs3782905, rs11568820) and DBP (rs7041) for the susceptibility to HCC in Egyptian patients with chronic HCV infection and their effect on the progression of liver cirrhosis to carcinogenesis. METHODS Single nucleotide polymorphisms (SNPs) VDR (rs2228570, rs3782905), and DBP rs7041 were genotyped using restriction fragment length-PCR (RFLP-PCR) technique and VDR rs11568820 was genotyped using single strand polymorphism PCR (SSP PCR). These SNPs genotypes, haplotypes and linkage disequilibrium analyses were examined in 299 Egyptian individuals (100 HCV-cirrhotic patients, 99 HCC- HCV patients, and 100 healthy controls). RESULT The VDR rs2228570 CC genotype, VDR rs3782905 GC and CC genotypes, and DBP rs7041 GG genotype are significantly higher in HCC. It is noteworthy that, VDR rs3782905 CC and DBP rs7041 TG genotypes are higher in HCV induced liver cirrhosis than with HCC progression in HCV infected patients. Furthermore, among patients, the relationship between these SNPs and smoking status, gender, and HCC susceptibility was reported. CONCLUSION Among the four investigated SNPs, there are associations between VDR rs3782905 and DBP rs7041 and the HCC progression in Egyptian patients chronically infected with HCV. These SNPs are considered as risk factors in HCV induced liver cirrhosis and HCC. The combinations of these SNPs with smoking status and gender are statistically linked to a high risk of HCC. Future research with a larger sample size of subjects with HCV infection is advised, because chronic liver disease induced by HCV infection is the primary cause of HCC in Egypt. We recommend screening of these SNPs for prediction of LC and HCC development in HCV infected patients, which may improve the used therapeutic protocol. These results suggest that VDR polymorphisms may be potential determinants for HCC susceptibility in Egyptian HCV patients.
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Affiliation(s)
- Asmaa Samir El-Masry
- Department of Biochemistry, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Amina M Medhat
- Department of Biochemistry, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Mahmoud El-Bendary
- Department of Tropical Medicine and Hepatology, Faculty of Medicine, Mansoura University, Dakahlia, Egypt
| | - Rania Hassan Mohamed
- Department of Biochemistry, Faculty of Science, Ain Shams University, Cairo, Egypt.
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Ananta Kahar L, Yusrawati Y, Jamsari J, Maskoen T, Aribowo K, Monika Sari W. The Role of Vitamin D Binding Protein and Vitamin D Level in Mortality of Sepsis Patients. Rep Biochem Mol Biol 2023; 12:366-373. [PMID: 38618268 PMCID: PMC11015934 DOI: 10.61186/rbmb.12.3.366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 09/15/2023] [Indexed: 04/16/2024]
Abstract
Background Vitamin D plays crucial roles in immune cell function, including macrophage activation, immune response modulation, and antimicrobial peptide production. Low vitamin D levels can result in reduced immune response, heightened inflammation, and impaired organ function, thereby exacerbating sepsis severity and impacting patient prognosis. This study investigates the influence of vitamin D binding protein expression and vitamin D levels on the mortality of septic patients. Methods This analytical observational study employs a case-control approach and involves patients at the Critical Care Unit of Dr. M. Djamil General Hospital in Padang, Indonesia. The study comprises 40 patients in the case group and 40 patients in the control group. Vitamin D and vitamin D binding protein levels are assessed using the enzyme-linked immunosorbent assay method. Results Vitamin D and vitamin D binding protein levels were observed to be lower in the case group compared to the control group. In the case group, the majority of patients had vitamin D binding protein levels below 200 µg/mL. A significant association was found between vitamin D levels and mortality in sepsis patients (P< 0.05). Patients with vitamin D levels below 20 µg/mL faced a 2.54 times higher risk of mortality than those with levels exceeding 20 µg/mL. Conclusions Diminished levels of vitamin D binding protein and vitamin D contribute to an increased risk of mortality in septic patients.
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Affiliation(s)
- Liliriawati Ananta Kahar
- Department of Anesthesiology and Intensive Care, Faculty of Medicine, Andalas University, Dr. M. Djamil General Hospital, Padang, 25171, Indonesia.
| | - Yusrawati Yusrawati
- Department of Obstetrics and Gynecology, Faculty of Medicine, Andalas University, Padang, 25171, Indonesia.
| | - Jamsari Jamsari
- Department of Biotechnology, Postgraduate Program, Andalas University, Padang, 25163, Indonesia.
| | - Tinni Maskoen
- Faculty of Medicine, Padjadjaran University, Bandung, 45363, Indonesia.
| | - Kornelis Aribowo
- Department of Pulmonology and Respiratory Medicine, Faculty of Medicine, Andalas University, Padang, 25171, Indonesia.
| | - Wiwi Monika Sari
- Intensive Care Unit, Dr. M. Djamil General Hospital, Padang, 25171, Indonesia.
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Tashkandi N, Zhao Y, Mitchell-Lee G, Stephens D, Patel M, Motro M, Will LA, Kantarci A. Longitudinal assessment of salivary vitamin D binding protein during orthodontic tooth movement. BMC Oral Health 2021; 21:332. [PMID: 34225707 PMCID: PMC8256539 DOI: 10.1186/s12903-021-01689-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 06/14/2021] [Indexed: 01/25/2023] Open
Abstract
Background Vitamin D is critical for bone physiology. In this study, we quantified Vitamin D Binding Protein (VitDBP) levels in saliva as a measure of Vitamin D during orthodontic tooth movement. Methods In this longitudinal study, saliva samples were collected from 73 orthodontic patients for 4 timepoints for the first six months of orthodontic treatment, along with dental casts at the beginning and the end of the study period. The saliva was measured for VitDBP as a biological marker for bone apposition and clinical tooth movement. We used the absolute change in Little's Irregularity Index as a quantitative measure for alignment. In addition, we measured the levels of alkaline phosphatase (ALP) in saliva as a marker of bone turnover. Results Both low (< 2.75 ng/ml) and high (> 6.48 ng/ml) VitDBP levels were associated with reduced tooth movement. Significant (p < 0.05) seasonal changes in VitDBP using a two-season year model were found with lower levels observed in the summer (Apr–Sept) than in the winter (Oct–Mar). Conclusions Clinically significant orthodontic tooth movement is associated with an optimal range of VitDBP in saliva. Normal levels of VitDBP correlated with more orthodontic tooth movement, suggesting a "normal" range of salivary content of VitDBP. Given the strong trend that is independent of the confounding factors (ex. age, race or gender), the predictive value or salivary VitDBP for tooth movement should be studied in larger cohorts in future studies.
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Affiliation(s)
- Nada Tashkandi
- Department of Applied Oral Sciences, Forsyth Institute, 245 First St, Cambridge, MA, 02142, USA.,Department of Orthodontics and Dentofacial Orthopedics, Boston University Henry M Goldman School of Dental Medicine, Boston, MA, USA
| | - Yihong Zhao
- Department of Applied Psychology, Center of Alcohol and Substance Use Studies, School of Applied and Professional Psychology, Rutgers University, New Brunswick, Piscataway, NJ, USA
| | - Gabrielle Mitchell-Lee
- Department of Orthodontics and Dentofacial Orthopedics, Boston University Henry M Goldman School of Dental Medicine, Boston, MA, USA
| | - Danielle Stephens
- Department of Applied Oral Sciences, Forsyth Institute, 245 First St, Cambridge, MA, 02142, USA
| | - Michele Patel
- Department of Applied Oral Sciences, Forsyth Institute, 245 First St, Cambridge, MA, 02142, USA
| | - Melih Motro
- Department of Orthodontics and Dentofacial Orthopedics, Boston University Henry M Goldman School of Dental Medicine, Boston, MA, USA
| | - Leslie A Will
- Department of Orthodontics and Dentofacial Orthopedics, Boston University Henry M Goldman School of Dental Medicine, Boston, MA, USA
| | - Alpdogan Kantarci
- Department of Applied Oral Sciences, Forsyth Institute, 245 First St, Cambridge, MA, 02142, USA. .,School of Dental Medicine, Harvard University, Boston, MA, USA.
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Ginsberg C, Hoofnagle AN, Katz R, Becker JO, Kritchevsky SB, Shlipak MG, Sarnak MJ, Ix JH. The Vitamin D Metabolite Ratio Is Independent of Vitamin D Binding Protein Concentration. Clin Chem 2020; 67:385-393. [PMID: 33188595 DOI: 10.1093/clinchem/hvaa238] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 09/10/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND 25-Hydroxyvitamin D [25(OH)D] may be a poor marker of vitamin D status as it reflects differences in vitamin D binding protein (VDBP) between individuals. The vitamin D metabolite ratio [VMR, ratio of 24,25(OH)2D3 to 25(OH)D3] is a marker of vitamin D status that has been hypothesized to be independent of variability in VDBP. This hypothesis has not been directly evaluated. METHODS We measured 25(OH)D3, 24,25(OH)2D3, 1,25(OH)2D3, and VDBP in 377 community-dwelling older adults that participated in the Health Aging and Body Composition Study. 24,25(OH)2D3 and 25(OH)D3 were used to calculate the VMR. We used linear regression to assess the relationship between VDBP with the VMR, 24,25(OH)2D3, 25(OH)D3, and 1,25(OH)2D3. RESULTS Participants had mean age 75 ± 3 years, 52% were female, 40% were black, and 24% had chronic kidney disease. VDBP concentrations were associated with sex, serum albumin, and VDBP phenotype in multivariable models. In fully adjusted models, each 1% higher VDBP was associated with a 0.92%[95% CI(0.37,1.49%)], 0.76% (0.39, 1.13%), and 0.57% (0.29, 0.85%), higher 24,25(OH)2D3, 25(OH)D3, and 1,25(OH)2D3. The VMR was independent of VDBP concentration, [0.16%(-0.11, 0.44) higher VMR per 1% higher VDBP, P = .25]. CONCLUSIONS The VMR was independent of VDBP concentration, whereas VDBP was strongly directly associated with the individual vitamin D metabolite concentrations. Prior studies evaluating only 25(OH)D3 may have been confounded by absence of data on VDBP status. The VMR may serve as an important biomarker of vitamin D status and clinical outcomes that can be utilized in populations with a large spectrum of VDBP concentrations.
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Affiliation(s)
- Charles Ginsberg
- Division of Nephrology-Hypertension, University of California, San Diego, San Diego, CA
| | - Andrew N Hoofnagle
- Department of Laboratory Medicine and the Kidney Research Institute, University of Washington, Seattle, WA.,Department of Medicine and the Kidney Research Institute, University of Washington, Seattle, WA
| | - Ronit Katz
- Kidney Research Institute, University of Washington, Seattle, WA
| | - Jessica O Becker
- Department of Laboratory Medicine and the Kidney Research Institute, University of Washington, Seattle, WA.,Department of Medicine and the Kidney Research Institute, University of Washington, Seattle, WA
| | - Stephen B Kritchevsky
- Department of Internal Medicine, Section on Gerontology and Geriatric Medicine, Wake Forest School of Medicine, Winston-Salem, NC
| | - Michael G Shlipak
- Kidney Health Research Collaborative, Veterans Affairs Medical Center, San Francisco, CA.,University of California, San Francisco, CA
| | - Mark J Sarnak
- Department of Medicine, Division of Nephrology, Tufts Medical Center, Boston, MA
| | - Joachim H Ix
- Division of Nephrology-Hypertension, University of California, San Diego, San Diego, CA.,Nephrology Section, Veterans Affairs San Diego Healthcare System, San Diego, CA
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Pillai RR, Premkumar NR, Kattimani S, Sagili H, Wilson AB, Sharon L, Rajendiran S. Reduced Maternal Serum Total, Free and Bioavailable Vitamin D Levels and its Association with the Risk for Postpartum Depressive Symptoms. Arch Med Res 2021; 52:84-92. [PMID: 33067012 DOI: 10.1016/j.arcmed.2020.10.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 07/24/2020] [Accepted: 10/01/2020] [Indexed: 01/03/2023]
Abstract
BACKGROUND Low vitamin D levels have been implicated in postpartum depressive disorders. However, studies on bioavailable vitamin D levels in postpartum depression are limited. Our study aimed to assess the serum concentrations of total, free and bioavailable 25-hydroxyvitamin D (25(OH)D) levels in women with postpartum depressive symptoms (PPD) and the association between 25(OH)D levels and PPD at 6 week post-delivery. METHODS In this cross-sectional study, a total of 330 cases and 330 age and BMI matched controls were recruited from the tertiary care hospital in South India. Women with depressive symptoms were assessed using the validated Edinburg Postnatal Depression Scale (EPDS) and cut-off score ≥10 was used. Serum 25(OH)D and VDBP levels were measured using commercially available ELISA kits. RESULTS Serum total, free and bioavailable 25(OH)D levels were significantly lower in postpartum depressive women compared to non-depressive women (p <0.001, p = 0.01). A significant negative correlation was observed between 25(OH)D, free 25(OH)D and bioavailable 25(OH)D with EPDS score in total study subjects (p <0.001, r = -0.19; p <0.001, r = -0.14 and p <0.001, r = -0.14). Multivariate linear regression analysis further confirmed a significant association between serum total, free and bioavailable 25(OH)D levels and EPDS score (p <0.001∗). CONCLUSIONS Our study demonstrated that lower serum total, free and bioavailable 25(OH)D levels were associated with postpartum depressive symptoms. Hypovitaminosis D after delivery may be a risk factor for postpartum depression.
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Francis I, AlAbdali N, Kapila K, John B, Al-Temaimi RA. Vitamin D pathway related polymorphisms and vitamin D receptor expression in breast cancer. INT J VITAM NUTR RES 2019; 91:124-132. [PMID: 31623531 DOI: 10.1024/0300-9831/a000615] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Vitamin D deficiency is an emerging risk factor for breast cancer suggesting its role in breast cancer pathogenesis. Recent evidence suggests vitamin D receptor (VDR) expression is a prognosis predictor in breast cancer. We set out to determine the status of VDR expression in histologically characterized breast cancers, and whether common genetic variants modify VDR expression in breast cancer. One-hundred and twenty Kuwaiti female breast cancer fixed tissues were assessed for VDR expression to identify the level and location of its expression by immunohistochemistry. VDR variants (rs731236, rs2228570), and vitamin D binding protein (VDBP) variants (rs4588, rs7041) genotypes were ascertained in breast cancer specimens using Taqman genotyping assays. VDR nuclear expression correlated with low grade tumors (p = 0.01), whereas cytoplasmic expression correlated with lymph node positive tumors (p = 0.03). Absence of VDR expression was a marker for high-grade dedifferentiated tumors (p = 0.01). VDBP rs7041 associated with breast cancer risk (OR 1.92, 95% CI: 1.34 - 2.73; p = 0.0004), and VDR rs2228570 correlated with increased VDR cytoplasmic expression (p < 0.0001). In conclusion, VDR expression is altered in breast cancer confirming its involvement in breast cancer progression. Genetic factors appear to play a role in breast cancer risk, and may modify tumor sensitization to vitamin D.
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Affiliation(s)
- Issam Francis
- Department of Pathology, Faculty of Medicine, Kuwait University, Jabriya, Kuwait
| | - Noora AlAbdali
- Postgraduate Medical Sciences Program, Faculty of Medicine, Kuwait University, Jabriya, Kuwait
| | - Kusum Kapila
- Department of Pathology, Faculty of Medicine, Kuwait University, Jabriya, Kuwait
| | - Bency John
- Department of Pathology, Faculty of Medicine, Kuwait University, Jabriya, Kuwait
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