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vitamin A and osteoporosis

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https://www.readbyqxmd.com/read/28922293/the-role-of-vitamin-d-in-cancer-cachexia
#1
Fabio Penna, Andrea Camperi, Maurizio Muscaritoli, Nicoletta Filigheddu, Paola Costelli
PURPOSE OF REVIEW: The possibility to use vitamin D supplementation to improve muscle wasting, with particular focus on cancer cachexia, is discussed. RECENT FINDINGS: Vitamin D exerts biological actions on myogenic precursor proliferation and differentiation, impinging on muscle regeneration. However, the effects of VitD supplementation in diseases associated with muscle atrophy, such as cancer cachexia, are poorly investigated. Data obtained in experimental models of cancer cachexia show that the administration of vitamin D to tumor-bearing animals is not able to prevent or delay both muscle wasting and adipose tissue depletion, despite increased expression of muscle vitamin D receptor...
September 15, 2017: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/28918533/the-associations-between-dietary-patterns-and-bone-health-according-to-the-tgf-%C3%AE-1-t869%C3%A2-c-polymorphism-in-postmenopausal-iranian-women
#2
Sajjad Moradi, Leila Khorrami-Nezhad, Sima Ali-Akbar, Fatemeh Zare, Tanaz Alipour, Azadeh Dehghani Kari Bozorg, Mir Saeed Yekaninejad, Zhila Maghbooli, Khadijeh Mirzaei
BACKGROUND/OBJECTIVE: Recent studies have shown that dietary variants and genetic variants play a decisive role in the risk of developing osteoporosis. Therefore, the objective of the present study was to examine associations between dietary pattern and bone health, according to the TGF-β1 T869→C polymorphism, in postmenopausal Iranian women. MATERIALS AND METHODS: In this study, 264 postmenopausal women aged from 46 to 78 years were examined. Body composition was measured by a body composition analyzer and physical activity by the short-form physical activity questionnaire...
September 16, 2017: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/28912391/-sarcopenia-frailty-and-osteoporosis
#3
Hidenori Arai
Skeletal muscle mass declines and muscular strength also weakens with age. This is sarcopenia. Bone shows similar age-dependent changes leading to osteoporosis. Thus, the aging change of muscle and bone shows a similar change. Anatomically, skeletal muscle and bone are closely related. Sarcopenia and osteoporosis are risks of falls and fractures, and the risk for disability is also high. In addition, it is considered that vitamin D is involved in all of its etiologies, and attention to vitamin D is necessary...
2017: Clinical Calcium
https://www.readbyqxmd.com/read/28899800/bone-mineral-density-and-vitamin-d-status-in-systemic-lupus-erythematosus-sle-a-systematic-review
#4
REVIEW
Tarek Carlos Salman-Monte, Vicenç Torrente-Segarra, Ana Leticia Vega Vidal, Patricia Corzo, F Castro-Dominguez, F Ojeda, Jordi Carbonell Abelló
Despite the improvement in the quality of life of patients with SLE due to scientific and technological advances, SLE remains a disease that over the years may produce irreversible damage to patients. Osteoporosis and secondary bone fractures are two of the major causes of irreparable injury in patients with SLE. Vitamin D insufficiency may play a vital role both in reduced Bone Mineral Density (BMD) and in the appearance of fractures, although its mechanisms of action are still unclear. We performed a systematic review of the literature in order to determine the prevalence and predictors of reduced vitamin D plasma levels, bone loss and the presence of fractures in SLE patients...
September 9, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28891093/tocotrienols-for-bone-health-a-translational-approach
#5
REVIEW
Chwan-Li Shen, Annika Klein, Kok-Yong Chin, Huanbiao Mo, Peihsuan Tsai, Rong-Sen Yang, Ming-Chien Chyu, Soelaiman Ima-Nirwana
Osteoporosis, a degenerative bone disease, is characterized by low bone mass and microstructural deterioration of bone tissue resulting in aggravated bone fragility and susceptibility to fractures. The trend of extended life expectancy is accompanied by a rise in the prevalence of osteoporosis and concomitant complications in the elderly population. Epidemiological evidence has shown an association between vitamin E consumption and the prevention of age-related bone loss in elderly women and men. Animal studies show that ingestion of vitamin E, especially tocotrienols, may benefit bone health in terms of maintaining higher bone mineral density and improving bone microstructure and quality...
August 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28881669/genetic-evaluations-of-chinese-patients-with-odontohypophosphatasia-resulting-from-heterozygosity-for-mutations-in-the-tissue-non-specific-alkaline-phosphatase-gene
#6
Jia Wan, Li Zhang, Tang Liu, Yewei Wang
BACKGROUND: Hypophosphatasia is a rare heritable metabolic disorder characterized by defective bone and tooth mineralization accompanied by a deficiency of tissue-non-specific (liver/bone/kidney) isoenzyme of alkaline phosphatase activity, caused by a number of loss-of-function mutations in the alkaline phosphatase liver type gene. We seek to explore the clinical manifestations and identify the mutations associated with the disease in a Chinese odonto- hypophosphatasia family. RESULTS: The proband and his younger brother affected with premature loss of primary teeth at their 2-year-old...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28870486/effect-of-1-y-oral-supplementation-with-vitaminized-olive-oil-on-platelets-from-healthy-postmenopausal-women
#7
Arianna Vignini, Laura Nanetti, Francesca Raffaelli, Jacopo Sabbatinelli, Eleonora Salvolini, Veronica Quagliarini, Nelvio Cester, Laura Mazzanti
OBJECTIVE: Olive oil is the main fat source in the Mediterranean diet and shows a protective role against aging and related diseases. Osteoporosis represents a serious health problem worldwide and is associated with an increased risk for fractures and mortality. Nutrition should be part of bone disease prevention strategies, especially in light of the aging population and the effect of diet on bone health. The aim of this study was to investigate whether oral supplementation with extra virgin olive oil (VOO) enriched with vitamins D3, K1, and B6 (VitVOO) is able to modify some physicochemical and functional plasma membrane properties and nitrosative stress markers status...
October 2017: Nutrition
https://www.readbyqxmd.com/read/28869564/phenolics-isolated-from-aframomum-meleguta-enhance-proliferation-and-ossification-markers-in-bone-cells
#8
Ashraf B Abdel-Naim, Abdullah A Alghamdi, Mardi M Algandaby, Fahad A Al-Abbasi, Ahmed M Al-Abd, Hossam M Abdallah, Ali M El-Halawany, Masao Hattori
Osteoporosis is a serious health problem characterized by decreased bone mineral density and deterioration of bone microarchitecture. Current antiosteoporotic agents exhibit a wide range of adverse effects; meanwhile, phytochemicals are effective and safer alternatives. In the current work, nine compounds belonging to hydroxyphenylalkane and diarylheptanoid groups were isolated from Aframomum meleguea seeds and identified as 6-gingerol (1), 6-paradol (2), 8-dehydrogingerdione (3), 8-gingerol (4), dihydro-6-paradol (5), dihydrogingerenone A (6), dihydrogingerenone C (7), 1,7-bis(3,4-dihydroxy-5-methoxyphenyl)heptane-3,5-diyl diacetate (8), and 1-(3,4-dihydroxy-5-methoxyphenyl)-7-(3,4-dihydroxyphenyl)heptane-3,5-diyl diacetate (9)...
September 4, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28866630/primary-osteoporosis-in-children
#9
Lay Ong Tan, Soo Yen Lim, Rashida Farhad Vasanwala
Osteoporosis in childhood is uncommon, and it may be secondary to a spectrum of diverse conditions. Idiopathic juvenile osteoporosis is a primary osteoporosis of unknown aetiology present in previously well children and is a diagnosis of exclusion. We describe a 10-year-old prepubertal boy who presented with back pain of 1-week duration. His spinal X-ray showed generalised loss of vertebral body heights in keeping with osteoporosis. Endocrine and haematological work-up were normal. He was treated with vitamin D supplement and intravenous pamidronate...
September 1, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28865232/hyponatremia-bone-mineral-density-and-falls-in-the-elderly-results-from-ahap-study
#10
Seyed Reza Hosseini, Naghi Baghitabar, Ali Mirzapour, Farshid Oliaei, Hajighorban Nooreddini, Ali Bijani, Simin Mouodi
BACKGROUND: Hyponatremia (HN) can be associated with osteoporosis, falls and bone fractures in the elderly. Recent researches demonstrated different results about the correlation of HN with bone mineral density and bone fractures. METHODS: This analytic research came from the AHAP project in northern IRAN. All people aged 60 years and over were included in the study. Individuals with severe comorbidities and them who had concurrent conditions which could have impact on bone mineral densities (BMD) such as long-term use of steroids, calcium and/or vitamin D supplements, bisphosphonates, calcitonin, thiazides and hormonal medications were excluded...
August 28, 2017: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/28865035/effect-of-zoledronic-acid-on-lumbar-spinal-fusion-in-osteoporotic-patients
#11
Qirui Ding, Jian Chen, Jin Fan, Qingqing Li, Guoyong Yin, Lipeng Yu
PURPOSE: To investigate the effect of zoledronic acid (ZA) on lumbar spinal fusion in patients with osteoporosis. METHODS: This retrospective study includes 94 osteoporotic patients suffering from lumbar degenerative diseases or lumbar fracture who underwent lumbar spinal fusion in our institution from January 2013 to August 2014. They were divided into ZA group and control group according to whether the patient received ZA infusion or not. The patients in ZA group were given 5 mg intravenous ZA at the 3rd-5th days after operation...
September 1, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28857845/epilepsy-and-osteoporosis-risk
#12
Philip M Dussault, Antonio A Lazzari
PURPOSE OF REVIEW: It is well-recognized that individuals with epilepsy have an increased risk of vertebral and nonvertebral fractures; this increased risk has been described to be secondary to an increased bone fragility and to an increased risk of falls. Osteoporosis is the most common bone disease which has been characterized by microarchitectural deterioration of trabecula and cortical bone mass with a decrease in bone mineral density and bone strength. Specific side effects of antiepileptic drugs (AEDs) on bone metabolism have been identified; recent research publications further characterized some of the specific side effects of AEDs on bone metabolism...
August 28, 2017: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/28855070/can-vitamin-d-supplementation-alone-effective-to-increase-a-physical-fitness-levels-in-post-menopausal-women-with-metabolic-disorders-brief-review
#13
REVIEW
Claudio M Bentes, Monique Resende, Humberto Miranda, Claudia C Netto, Lizanka P F Marinheiro
BACKGROUND: During the climacteric period, occur an aging process of the skin, and promote several decreases in the ability of vitamin D synthesis in an organism and lower levels of Vitamin D may contribute to the appearance of conditions such as osteomalacia, osteoporosis, falls and fractures. AIM: The present brief review focuses on the influence of Vitamin D supplementation alone on physical fitness (strength, endurance, and balance) in postmenopausal with diseases or not...
August 24, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28851521/incidence-of-bone-protection-and-associated-fragility-injuries-in-patients-with-proximal-femur-fractures
#14
I Aguado-Maestro, M Panteli, M García-Alonso, A Bañuelos-Díaz, P V Giannoudis
OBJECTIVES: Our aim was to investigate whether patients presenting with fragility fractures of the proximal femur are receiving osteoporosis treatment and to assess the number of other fragility fractures they have sustained prior to admission. METHODS: All patients presenting to our institution with fragility fractures of the proximal femur within an 18-month period (January 2012-August 2013) were included. Patient demographics; fracture classification (AO/OTA); American Society of Anesthesiologists (ASA) grade; Abbreviated Mental Test Score (AMTS) on admission; type of operation; time to operation; peri-operative complications; length of hospital stay (LOS); walking status; osteoporotic medication; Dual-energy X-ray absorptiometry (DEXA) results; additional fragility fractures; and mortality were collected and analysed...
August 26, 2017: Injury
https://www.readbyqxmd.com/read/28835676/homozygous-p-ser267phe-in-slc10a1-is-associated-with-a-new-type-of-hypercholanemia-and-implications-for-personalized-medicine
#15
Ruihong Liu, Chuming Chen, Xuefeng Xia, Qijun Liao, Qiong Wang, Paul J Newcombe, Shuhua Xu, Minghui Chen, Yue Ding, Xiaoying Li, Zhihong Liao, Fucheng Li, Minlian Du, Huaiqiu Huang, Ruimin Dong, Weiping Deng, Ye Wang, Binghui Zeng, Qihao Pan, Danhua Jiang, Hao Zeng, Pak Sham, Yingnan Cao, Patrick H Maxwell, Zhi-Liang Gao, Liang Peng, Yiming Wang
SLC10A1 codes for the sodium-taurocholate cotransporting polypeptide (NTCP), which is a hepatocellular transporter for bile acids (BAs) and the receptor for hepatitis B and D viruses. NTCP is also a target of multiple drugs. We aimed to evaluate the medical consequences of the loss of function mutation p.Ser267Phe in SLC10A1. We identified eight individuals with homozygous p.Ser267Phe mutation in SLC10A1 and followed up for 8-90 months. We compared their total serum BAs and 6 species of BAs with 170 wild-type and 107 heterozygous healthy individuals...
August 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28828345/evaluation-of-bone-density-serum-total-and-ionized-calcium-alkaline-phosphatase-and-25-hydroxy-vitamin-d-in-papillary-thyroid-carcinoma-and-their-relationship-with-tsh-suppression-by-levothyroxine
#16
Ali Kachui, Seyed Mashaallah Tabatabaizadeh, Bijan Iraj, Hasan Rezvanian, Awat Feizi
BACKGROUND: This study aimed to evaluate the situation of Bone Mineral Density (BMD), Z score, T score, serum level of corrected and ionized calcium, alkaline phosphatase and 25-hydroxy vitamin D in percutaneous transhepatic cholangiography (PTC) patients and correlation of these variants with thyroid stimulating hormone (TSH) suppression level by levothyroxine. MATERIALS AND METHODS: Among the patients referred to Esfahan's endocrinology research center, 34 PTC patients (aged 20-50 years) with a history of thyroidectomy and conceived radioactive iodine and suppressive dose of levothyroxine were evaluated in this case-control study, and 38 healthy persons participated as the control group (matched by age and sex, body mass index)...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28815553/osteoporosis-in-erythropoietic-protoporphyria-patients
#17
M Biewenga, R H S Matawlie, E C H Friesema, H Koole-Lesuis, M Langeveld, J H P Wilson, J G Langendonk
BACKGROUND: Erythropoietic protoporphyria is a rare metabolic disease with painful photosensitivity due to protoporphyrin IX accumulation, resulting in lifelong light avoidance behaviour. OBJECTIVES: The aim of this study was to evaluate bone mineral density and known osteoporosis risk factors in erythropoietic protoporphyria patients. METHODS: In this cross-sectional study all erythropoietic protoporphyria patients attending the Erasmus MC outpatient clinic that had undergone bone mineral density measurements were included...
August 17, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28812252/secondary-fracture-prevention-in-hip-fracture-patients-requires-cooperation-from-general-practitioners
#18
Jan Vaculík, Jan J Stepan, Pavel Dungl, Marek Majerníček, Alexander Čelko, Valér Džupa
Despite individual recommendations on osteoporosis management in patients after hip fracture surgery, addressed by orthopedic surgeons to Czech general practitioners, the patients remained undiagnosed and untreated because of provider-level barriers to post-fracture secondary prevention. PURPOSE: The goal of the study was to assess whether an individual recommendation on osteoporosis treatment addressed to a hip fracture patient's GP would lead to better osteoporosis management. METHODS: Two groups of patients who suffered hip fractures and were treated at the Orthopedic Department were evaluated...
May 18, 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28807865/novel-compound-heterozygous-mutations-identified-by-whole-exome-sequencing-in-a-japanese-patient-with-geroderma-osteodysplastica
#19
Ryojun Takeda, Masaki Takagi, Hiroyuki Shinohara, Hiroshi Futagawa, Satoshi Narumi, Tomonobu Hasegawa, Gen Nishimura, Hiroshi Yoshihashi
Geroderma osteodysplastica (GO) is a subtype of cutis laxa syndrome characterized by congenital wrinkly skin, a prematurely aged face, extremely short stature, and osteoporosis leading to recurrent fractures. GO exhibits an autosomal recessive inheritance pattern and is caused by loss-of-function mutations in GORAB, which encodes a protein important for Golgi-related transport. Using whole exome sequencing, we identified novel compound heterozygous nonsense mutations in the GORAB in a GO patient. The patient was a 14-year-old Japanese boy...
August 11, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28806178/vitamin-d-and-osteosarcopenia-an-update-from-epidemiological-studies
#20
Olivier Bruyère, Etienne Cavalier, Jean-Yves Reginster
PURPOSE OF REVIEW: The review summarizes recent epidemiological studies that examined the relationship between osteoporosis and sarcopenia to assess the impact of vitamin D status or supplementation on health outcomes related to these two medical conditions. RECENT FINDINGS: Osteoporosis and sarcopenia are major public health problems, but whether these two diseases should be considered alone or combined into a single condition is not clear. No consensual definition of osteosarcopenia is largely accepted...
September 15, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
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