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Kim GJ, Han KD, Joo YH. Association of Metabolic Syndrome with the Risk of Head and Neck Cancer: A 10-Year Follow-Up Study of 10 Million Initially Healthy Individuals. Cancers (Basel) 2023; 15:4118. [PMID: 37627146 PMCID: PMC10452383 DOI: 10.3390/cancers15164118] [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: 07/21/2023] [Revised: 08/13/2023] [Accepted: 08/13/2023] [Indexed: 08/27/2023] Open
Abstract
The aim of this national population-based retrospective study was to analyze the relationship between MetS and the incidence of HNC. In this Korean population-based cohort study, 9,598,085 subjects above the age of 20 were monitored from 1 January 2009 to 31 December 2018. In the study population, a total of 10,732 individuals were newly diagnosed with HNC during the 10-year follow-up. The hazard ratio (HR), after adjusting for age, gender, smoking status, alcohol intake, and exercise, indicated that participants with MetS were at a 1.06-fold (95% CI: 1.01-1.10) higher risk of having HNC than those without MetS. Participants with MetS showed an increased risk of developing oral cavity cancer (HR, 1.12; 95% CI, 1.03-1.23) and laryngeal cancer (HR, 1.18; 95% CI, 1.09-1.27). Among the components of MetS, elevated fasting glucose (HR = 1.04, 95% CI: 1.00-1.08) and elevated blood pressure (HR = 1.08, 95% CI: 1.04-1.13) were significantly associated with an increased HR for HNC in an adjusted multivariable model. The association between HNC and MetS remained significant even among individuals who had never smoked or were ex-smokers (HR: 1.09; 95% CI: 1.04-1.15), as well as those who did not drink or were mild drinkers (HR: 1.07; 95% CI: 1.02-1.12). The findings of this cohort study suggest MetS was associated with an increased risk for some types of HNCs. The results of this study could assist with etiological investigations and prevention strategies.
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Affiliation(s)
- Geun-Jeon Kim
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea;
| | - Kyung-Do Han
- Department of Biostatistics, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea;
| | - Young-Hoon Joo
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea;
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Park JH, Cho HS, Yoon JH. Thyroid Cancer in Patients with Metabolic Syndrome or Its Components: A Nationwide Population-Based Cohort Study. Cancers (Basel) 2022; 14:cancers14174106. [PMID: 36077642 PMCID: PMC9454651 DOI: 10.3390/cancers14174106] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 08/02/2022] [Accepted: 08/22/2022] [Indexed: 11/30/2022] Open
Abstract
The rapidly increasing coincidence of thyroid cancer and metabolic syndrome (MS) in recent decades suggests an association between the two disorders. To investigate this association, we conducted a nationwide study of a large-scale patient cohort. Between 2009 and 2011, data were collected by the Korean National Health Insurance Service for 4,658,473 persons aged 40−70 years without thyroid cancer. During the six-year follow-up period, participants were monitored for the development of thyroid cancer. The relative risks and incidences of thyroid cancer were calculated using multivariate Cox proportional hazards regression analyses after adjusting for age and body mass index. The risk of thyroid cancer was significantly elevated in men and women with MS or MS components, except for hyperglycaemia (p = 0.723) or hypertriglyceridemia (p = 0.211) in men. The incidence of thyroid cancer per 10,000 person-years in individuals with MS was significantly higher in men (6.2, p < 0.001) and women (21.3, p < 0.001) compared to those without MS. Additionally, the risk of thyroid cancer increased significantly with an increasing number of MS components even in individuals with only one or two MS components. MS and its components were significantly associated with increased risk of developing thyroid cancer.
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Affiliation(s)
- Jae Hyun Park
- Department of Surgery, Yonsei University Wonju College of Medicine, Wonju 26493, Korea
| | - Hyun Seok Cho
- Department of Radiology, Yonsei University Wonju College of Medicine, Wonju 26493, Korea
| | - Jong Ho Yoon
- Department of Surgery, Yonsei University Wonju College of Medicine, Wonju 26493, Korea
- Correspondence: ; Tel.: +82-33-741-0576
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3
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Alhourani A, Førde JL, Nasrollahzadeh M, Eichacker LA, Herfindal L, Hagland HR. Graphene-based phenformin carriers for cancer cell treatment: a comparative study between oxidized and pegylated pristine graphene in human cells and zebrafish. NANOSCALE ADVANCES 2022; 4:1668-1680. [PMID: 36134366 PMCID: PMC9417205 DOI: 10.1039/d1na00778e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 01/27/2022] [Indexed: 06/16/2023]
Abstract
Graphene is an attractive choice for the development of an effective drug carrier in cancer treatment due to its high adsorption area and pH-responsive drug affinity. In combination with the highly potent metabolic drug phenformin, increased doses could be efficiently delivered to cancer cells. This study compares the use of graphene oxide (GO) and polyethylene glycol stabilized (PEGylated) pristine graphene nanosheets (PGNSs) for drug delivery applications with phenformin. The cytotoxicity and mitotoxicity of the graphene-based systems were assessed in human cells and zebrafish larvae. Targeted drug release from GO and PGNSs was evaluated at different pH levels known to arise in proliferating tumor microenvironments. PGNSs were less cytotoxic and mitotoxic than GO, and showed an increased release of phenformin at lower pH in cells, compared to GO. In addition, the systemic phenformin effect was mitigated in zebrafish larvae when bound to GO and PGNSs compared to free phenformin, as measured by flavin metabolic lifetime imaging. These results pave the way for improved phenformin-based cancer therapy using graphene nano-sheets, where PGNSs were superior to GO.
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Affiliation(s)
- Abdelnour Alhourani
- Department of Chemistry, Biosciences and Environmental Engineering, University of Stavanger Stavanger Norway
| | - Jan-Lukas Førde
- Centre for Pharmacy, Department of Clinical Science, University of Bergen Bergen Norway
- Department of Internal Medicine, Haukeland University Hospital Bergen Norway
| | - Mojdeh Nasrollahzadeh
- Department of Chemistry, Biosciences and Environmental Engineering, University of Stavanger Stavanger Norway
| | - Lutz Andreas Eichacker
- Department of Chemistry, Biosciences and Environmental Engineering, University of Stavanger Stavanger Norway
| | - Lars Herfindal
- Centre for Pharmacy, Department of Clinical Science, University of Bergen Bergen Norway
| | - Hanne Røland Hagland
- Department of Chemistry, Biosciences and Environmental Engineering, University of Stavanger Stavanger Norway
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Alhourani A, Førde JL, Eichacker LA, Herfindal L, Hagland HR. Improved pH-Responsive Release of Phenformin from Low-Defect Graphene Compared to Graphene Oxide. ACS OMEGA 2021; 6:24619-24629. [PMID: 34604644 PMCID: PMC8482513 DOI: 10.1021/acsomega.1c03283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Indexed: 06/13/2023]
Abstract
Graphene-based drug carriers provide a promising addition to current cancer drug delivery options. Increased accessibility of high-quality graphene made by plasma-enhanced chemical vapor deposition (PE-CVD) makes it an attractive material to revisit in comparison to the widely studied graphene oxide (GO) in drug delivery. Here, we show the potential of repurposing the metabolic drug phenformin for cancer treatment in terms of stability, binding, and pH-responsive release. Using covalent attachment of poly(ethylene glycol) (PEG) onto pristine (PE-CVD) graphene, we show that PEG stabilized graphene nanosheets (PGNS) are stable in aqueous solutions and exhibit higher binding affinity toward phenformin than GO. Moreover, we experimentally demonstrate an improved drug release from PGNS than GO at pH levels lower than physiological conditions, yet comparable to that found in tumor microenvironments.
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Affiliation(s)
- Abdelnour Alhourani
- Department
of Chemistry, Biosciences and Environmental Technology, University of Stavanger, 4021 Stavanger, Norway
| | - Jan-Lukas Førde
- Centre
for Pharmacy, Department of Clinical Science, University of Bergen, 5007 Bergen, Norway
- Department
of Internal Medicine, Haukeland University
Hospital, 5021 Bergen, Norway
| | - Lutz Andreas Eichacker
- Department
of Chemistry, Biosciences and Environmental Technology, University of Stavanger, 4021 Stavanger, Norway
| | - Lars Herfindal
- Centre
for Pharmacy, Department of Clinical Science, University of Bergen, 5007 Bergen, Norway
| | - Hanne Røland Hagland
- Department
of Chemistry, Biosciences and Environmental Technology, University of Stavanger, 4021 Stavanger, Norway
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5
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Jiang H, Zhou L, He Q, Jiang K, Yuan J, Huang X. The effect of metabolic syndrome on head and neck cancer incidence risk: a population-based prospective cohort study. Cancer Metab 2021; 9:25. [PMID: 34082811 PMCID: PMC8173864 DOI: 10.1186/s40170-021-00261-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 05/24/2021] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND There are limited evidences clarifying the impact of metabolic syndrome (MS) and its components on head and neck cancer (HNC) incidence risk. We explored the correlation between MS, MS components, and the combined effects of MS and C-reactive protein (CRP) and HNC risk. METHODS This is a prospective analysis of 474,929 participants from the UK Biobank cohort. Cox proportional hazard regression was utilized to assess the hazard ratio (HR) and 95% confidence interval (CI) and to explore the non-linear correlation between an individual MS component and HNC risk. RESULTS Individuals with MS (HR, 1.05; 95%CI, 0.90-1.22) had no higher HNC risk than those without MS. More MS components showed no higher HNC risk. Nevertheless, hyperglycemia (HR, 1.22; 95%CI, 1.02-1.45) was independently correlated with elevated HNC risk. In a non-linear manner, waist circumference and high-density lipoprotein cholesterol (HDL-C) showed a U-shaped association with HNC risk. Further, piecewise linear model analysis indicated that higher male waist circumference, female waist circumference (≥93.16 cm), blood glucose (≥4.70 mmol/L) and male HDL-C (≥1.26mmo/L), and lower male HDL-C (<1.26mmo/L) were correlated with higher HNC risk. Increased CRP (≥1.00mg/dL) elevated HNC risk and individuals with MS and CRP≥1.00mg/dL had the highest HNC risk (HR, 1.29; 95%CI, 1.05-1.58). But no joint effect between MS and CRP was detected (p-interaction=0.501). CONCLUSIONS MS are not correlated with elevated HNC risk. High waist circumference and blood glucose are independent risk factor of HNC incidence. Controlling HDL-C in an appropriate range can get the lowest risk of male HNC. No joint effect of MS and CRP exists in HNC tumorigenesis.
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Affiliation(s)
- Huaili Jiang
- Department of Otolaryngology, Zhongshan Hospital, Fudan University, Shanghai, China
- Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Lei Zhou
- Department of Otolaryngology, Zhongshan Hospital, Fudan University, Shanghai, China
- Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Qiangsheng He
- Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, 628 Zhenyuan Road, Shenzhen, 518107, Guangdong, China
- Center for Digestive Disease, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Kanglun Jiang
- Department of Otolaryngology, Zhongshan Hospital, Fudan University, Shanghai, China
- Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jinqiu Yuan
- Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, 628 Zhenyuan Road, Shenzhen, 518107, Guangdong, China.
- Center for Digestive Disease, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China.
| | - Xinsheng Huang
- Department of Otolaryngology, Zhongshan Hospital, Fudan University, Shanghai, China.
- Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China.
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6
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Park JH, Choi M, Kim JH, Kim J, Han K, Kim B, Kim DH, Park YG. Metabolic Syndrome and the Risk of Thyroid Cancer: A Nationwide Population-Based Cohort Study. Thyroid 2020; 30:1496-1504. [PMID: 32524894 DOI: 10.1089/thy.2019.0699] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Background: The association of metabolic syndrome and its components with the risk of thyroid cancer is unclear. Thus, we conducted a large-scale, nationwide, population-based, cohort study to investigate this relationship. Methods: We studied 9,890,917 adults without thyroid cancer from the Korean National Health Insurance health checkup database from January 1 to December 31, 2009. Individuals with at least three of the following five components were diagnosed with metabolic syndrome: abdominal obesity, hypertriglyceridemia, low high-density lipoprotein-cholesterol levels, elevated blood pressure, and hyperglycemia. Multivariate Cox proportional hazards models were used to estimate thyroid cancer risk. Results: During the average 7.2 years of follow-up, 77,133 thyroid cancer cases were newly identified. The thyroid cancer risk was higher in the metabolic syndrome group than in the nonmetabolic syndrome group (hazard ratio [HR] 1.15 [95% confidence interval, CI 1.13-1.17]). The association between metabolic syndrome and thyroid cancer risk was significant in the obese group (HR 1.10 [CI 1.07-1.13]) and not in the nonobese group (HR 1.002 [CI 0.98-1.03]). The effect of metabolic syndrome on the risk of thyroid cancer differs according to obesity (p for interaction = 0.017). People with all five components of metabolic syndrome had a 39% higher risk than those without any components (HR 1.39 [CI 1.33-1.44]). The higher risk of thyroid cancer in people with all five components was significant in the obese group (HR 1.29 [CI 1.21-1.38]), but not in the nonobese group (HR 1.06 [CI 0.98-1.14]). There was a significant interaction between the number of metabolic syndrome components and obesity (p for interaction <0.0001). For the combined effect of obesity and metabolic syndrome on the risk of thyroid cancer, obese men with metabolic syndrome had the highest risk of thyroid cancer compared with those without (HR 1.58 [CI 1.52-1.64]), but obese women with metabolic syndrome did not. Conclusions: Metabolic syndrome was associated with an increased risk of thyroid cancer in the Korean general population. Metabolic syndrome had a more significant risk of thyroid cancer in the obese group. Metabolic syndrome and obesity were associated with a higher risk of thyroid cancer in men but not in women.
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Affiliation(s)
- Joo-Hyun Park
- Department of Family Medicine, Korea University Ansan Hospital, Korea University College of Medicine, Ansan-si, Republic of Korea
| | - Moonyoung Choi
- Department of Family Medicine, Korea University Ansan Hospital, Korea University College of Medicine, Ansan-si, Republic of Korea
| | - Jung-Hun Kim
- Department of Family Medicine, Korea University Ansan Hospital, Korea University College of Medicine, Ansan-si, Republic of Korea
| | - Jaemin Kim
- Department of Family Medicine, Korea University Ansan Hospital, Korea University College of Medicine, Ansan-si, Republic of Korea
| | - Kyungdo Han
- Department of Statistics and Actuarial Science, Soongsil University, Seoul, Republic of Korea
| | - Bongsung Kim
- Department of Biostatistics, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Do-Hoon Kim
- Department of Family Medicine, Korea University Ansan Hospital, Korea University College of Medicine, Ansan-si, Republic of Korea
| | - Yong-Gyu Park
- Department of Biostatistics, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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7
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Samanta K, Setua S, Kumari S, Jaggi M, Yallapu MM, Chauhan SC. Gemcitabine Combination Nano Therapies for Pancreatic Cancer. Pharmaceutics 2019; 11:E574. [PMID: 31689930 PMCID: PMC6920852 DOI: 10.3390/pharmaceutics11110574] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 10/28/2019] [Accepted: 10/28/2019] [Indexed: 12/15/2022] Open
Abstract
Pancreatic cancer is one of the deadliest causes of cancer-related death in the United States, with a 5-year overall survival rate of 6 to 8%. These statistics suggest that immediate medical attention is needed. Gemcitabine (GEM) is the gold standard first-line single chemotherapy agent for pancreatic cancer but, after a few months, cells develop chemoresistance. Multiple clinical and experimental investigations have demonstrated that a combination or co-administration of other drugs as chemotherapies with GEM lead to superior therapeutic benefits. However, such combination therapies often induce severe systemic toxicities. Thus, developing strategies to deliver a combination of chemotherapeutic agents more securely to patients is needed. Nanoparticle-mediated delivery can offer to load a cocktail of drugs, increase stability and availability, on-demand and tumor-specific delivery while minimizing chemotherapy-associated adverse effects. This review discusses the available drugs being co-administered with GEM and the limitations associated during the process of co-administration. This review also helps in providing knowledge of the significant number of delivery platforms being used to overcome problems related to gemcitabine-based co-delivery of other chemotherapeutic drugs, thereby focusing on how nanocarriers have been fabricated, considering the modes of action, targeting receptors, pharmacology of chemo drugs incorporated with GEM, and the differences in the physiological environment where the targeting is to be done. This review also documents the focus on novel mucin-targeted nanotechnology which is under development for pancreatic cancer therapy.
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Affiliation(s)
- Kamalika Samanta
- Department of Pharmaceutical Sciences and Center for Cancer Research, University of Tennessee Health Science Center, Memphis, TN 38163, USA.
| | - Saini Setua
- Department of Pharmaceutical Sciences and Center for Cancer Research, University of Tennessee Health Science Center, Memphis, TN 38163, USA.
| | - Sonam Kumari
- Department of Pharmaceutical Sciences and Center for Cancer Research, University of Tennessee Health Science Center, Memphis, TN 38163, USA.
| | - Meena Jaggi
- Department of Immunology and Microbiology, Institute for Cancer Immunotherapy, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78503, USA.
| | - Murali M Yallapu
- Department of Immunology and Microbiology, Institute for Cancer Immunotherapy, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78503, USA.
| | - Subhash C Chauhan
- Department of Immunology and Microbiology, Institute for Cancer Immunotherapy, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78503, USA.
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8
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Albini A, Bassani B, Baci D, Dallaglio K, Gallazzi M, Corradino P, Bruno A, Noonan DM. Nutraceuticals and "Repurposed" Drugs of Phytochemical Origin in Prevention and Interception of Chronic Degenerative Diseases and Cancer. Curr Med Chem 2019; 26:973-987. [PMID: 28933290 DOI: 10.2174/0929867324666170920144130] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 08/08/2017] [Accepted: 08/08/2017] [Indexed: 12/16/2022]
Abstract
BACKGROUND Chronic, degenerative diseases are often characterized by inflammation and aberrant angiogenesis. For these pathologies, including rheumatoid arthritis, cardiovascular and autoimmune diseases, cancer, diabetes, and obesity, current therapies have limited efficacy. OBJECTIVES The validation of novel (chemo)preventive and interceptive approaches, and the use of new or repurposed agents, alone or in combination with registered drugs, are urgently required. RESULTS Phytochemicals (triterpenoids, flavonoids, retinoids) and their derivatives, nonsteroidal anti-inflammatory drugs (aspirin) as well as biguanides (metformin and phenformin) originally developed from phytochemical backbones, are multi-target agents showing antiangiogenic and anti-anti-inflammatory proprieties. Many of them target AMPK and metabolic pathways such as the mTOR axis. We summarize the beneficial effects of several compounds in conferring protection and supporting therapy, and as a paradigm, we present data on terpenoids & biquanides on beer hop xanthohumol and hydroxytryrosol from olive mill waste waters. CONCLUSIONS These molecules could be employed for combinatorial chemoprevention and interception approaches or chemoprevention/therapy regimens for cancer and other chronic complex diseases.
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Affiliation(s)
- Adriana Albini
- Scientific and Technology Park, IRCCS MultiMedica, Milano, Italy
| | - Barbara Bassani
- Scientific and Technology Park, IRCCS MultiMedica, Milano, Italy
| | - Denisa Baci
- Scientific and Technology Park, IRCCS MultiMedica, Milano, Italy
| | - Katiuscia Dallaglio
- Laboratory of Translational Research, IRCCS Arcispedale Santa Maria Nuova, Reggio Emilia, Italy
| | - Matteo Gallazzi
- Scientific and Technology Park, IRCCS MultiMedica, Milano, Italy.,Department of Biotechnologies and Life Sciences, University of Insubria, Varese, Italy
| | - Paola Corradino
- Scientific and Technology Park, IRCCS MultiMedica, Milano, Italy
| | - Antonino Bruno
- Scientific and Technology Park, IRCCS MultiMedica, Milano, Italy
| | - Douglas M Noonan
- Scientific and Technology Park, IRCCS MultiMedica, Milano, Italy.,Department of Biotechnologies and Life Sciences, University of Insubria, Varese, Italy
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9
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Kim SY, Han KD, Joo YH. Metabolic Syndrome and Incidence of Laryngeal Cancer: A Nationwide Cohort Study. Sci Rep 2019; 9:667. [PMID: 30679643 PMCID: PMC6345961 DOI: 10.1038/s41598-018-37061-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 11/29/2018] [Indexed: 12/17/2022] Open
Abstract
It is unknown whether the presence of metabolic syndrome (MetS) affects the incidence of laryngeal cancer. The aim of this national population-based retrospective study was to analyze the relationship between MetS and the incidence of laryngeal cancer. Patients with laryngeal cancer (ICD-10: C32) between 2009 and 2010 were retrospectively identified and tracked until 2015 using the Korean Health Insurance claims database. During the seven-year follow-up period, 5,322 subjects were newly diagnosed with larynx cancer. The mean age of people with laryngeal cancer was much higher than those without (63.29 vs. 47.7 years, p < 0.0001), and the incidence of larynx cancer in men was much higher than that in women (93.16% vs. 6.84%, p < 0.0001). Age, gender, smoking status, alcohol intake, and exercise-adjusted hazard ratios indicated that participants with MetS had a 1.13-fold higher hazard of having larynx cancer than those without MetS. The number of MetS components was a strong risk factor for laryngeal cancer with a higher risk estimate of this cancer in both ex- and current smokers as well as people who have never smoked. MetS was found to be an independent risk factor for the incidence of laryngeal cancer. In Korea, MetS and its components are significantly associated with the development of laryngeal cancer.
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Affiliation(s)
- Sang-Yeon Kim
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Kyung-do Han
- Department of Biostatistics, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Young-Hoon Joo
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea.
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10
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Berstein LM. New developments of metformin in the clinical cancer area. Oncotarget 2018; 9:36820-36821. [PMID: 30627318 PMCID: PMC6305146 DOI: 10.18632/oncotarget.26418] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Accepted: 11/26/2018] [Indexed: 11/25/2022] Open
Affiliation(s)
- Lev M Berstein
- Laboratory of Oncoendocrinology, N.N. Petrov National Medical Research Center of Oncology, St. Petersburg, Russian Federation
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11
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de Mey S, Jiang H, Corbet C, Wang H, Dufait I, Law K, Bastien E, Verovski V, Gevaert T, Feron O, De Ridder M. Antidiabetic Biguanides Radiosensitize Hypoxic Colorectal Cancer Cells Through a Decrease in Oxygen Consumption. Front Pharmacol 2018; 9:1073. [PMID: 30337872 PMCID: PMC6178882 DOI: 10.3389/fphar.2018.01073] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 09/05/2018] [Indexed: 12/17/2022] Open
Abstract
Background and Purpose: The anti-diabetic biguanide drugs metformin and phenformin exhibit antitumor activity in various models. However, their radiomodulatory effect under hypoxic conditions, particularly for phenformin, is largely unknown. This study therefore examines whether metformin and phenformin as mitochondrial complex I blockades could overcome hypoxic radioresistance through inhibition of oxygen consumption. Materials and Methods: A panel of colorectal cancer cells (HCT116, DLD-1, HT29, SW480, and CT26) was exposed to metformin or phenformin for 16 h at indicated concentrations. Afterward, cell viability was measured by MTT and colony formation assays. Apoptosis and reactive oxygen species (ROS) were detected by flow cytometry. Phosphorylation of AMP-activated protein kinase (AMPK) was examined by western blot. Mitochondria complexes activity and oxygen consumption rate (OCR) were measured by seahorse analyzer. The radiosensitivity of tumor cells was assessed by colony formation assay under aerobic and hypoxic conditions. The in vitro findings were further validated in colorectal CT26 tumor model. Results: Metformin and phenformin inhibited mitochondrial complex I activity and subsequently reduced OCR in a dose-dependent manner starting at 3 mM and 30 μM, respectively. As a result, the hypoxic radioresistance of tumor cells was counteracted by metformin and phenformin with an enhancement ratio about 2 at 9 mM and 100 μM, respectively. Regarding intrinsic radioresistance, both of them did not exhibit any effect although there was an increase of phosphorylation of AMPK and ROS production. In tumor-bearing mice, metformin or phenformin alone did not show any anti-tumor effect. While in combination with radiation, both of them substantially delayed tumor growth and enhanced radioresponse, respectively, by 1.3 and 1.5-fold. Conclusion: Our results demonstrate that metformin and phenformin overcome hypoxic radioresistance through inhibition of mitochondrial respiration, and provide a rationale to explore metformin and phenformin as hypoxic radiosensitizers.
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Affiliation(s)
- Sven de Mey
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Heng Jiang
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Cyril Corbet
- Pole of Pharmacology and Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium
| | - Hui Wang
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Inès Dufait
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium.,Laboratory of Molecular and Cellular Therapy, Vrije Universiteit Brussel, Brussels, Belgium
| | - Kalun Law
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Estelle Bastien
- Pole of Pharmacology and Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium
| | - Valeri Verovski
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Thierry Gevaert
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Olivier Feron
- Pole of Pharmacology and Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium
| | - Mark De Ridder
- Department of Radiotherapy, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
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Yunusova NV, Kondakova IV, Kolomiets LA, Afanas'ev SG, Kishkina AY, Spirina LV. The role of metabolic syndrome variant in the malignant tumors progression. Diabetes Metab Syndr 2018; 12:807-812. [PMID: 29699953 DOI: 10.1016/j.dsx.2018.04.028] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 04/09/2018] [Indexed: 02/07/2023]
Abstract
Metabolic syndrome (MS) is one of the leading risk factors for the development of some common cancers (endometrial cancer, postmenopausal breast cancer, colorectal cancer). Currently, a drug-induced metabolic syndrome related with androgen deprivation therapy in patients with prostate cancer represents a serious medical problem. Not only MS, or its individual components, but MS variants with different levels of leptin, adiponectin, visfatin, resistin are associated with tumor invasion, metastasis and survival rates in patients with MS-associated malignancies.
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Affiliation(s)
- Natalia V Yunusova
- Laboratory of tumor Biochemistry, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Science, 634009, Tomsk, Kooperativny str., 5, Russia; Biochemistry Division, Siberian State Medical University, 634050, Tоmsk, Moskovskiy str. 2., Russia
| | - Irina V Kondakova
- Laboratory of tumor Biochemistry, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Science, 634009, Tomsk, Kooperativny str., 5, Russia
| | - Larisa A Kolomiets
- Department of Oncogynecology, Cancer Research Institute, Тomsk National Research Medical Center, Russian Academy of Science, 634009, Tomsk, Kooperativny str., 5, Russia; Oncology Division, Siberian State Medical University, 634050, Tоmsk, Moskovskiy str. 2., Russia
| | - Sergey G Afanas'ev
- Abdominal Oncology Department, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Science, 634009, Tomsk, Kooperativny str., 5, Russia; 2 - Siberian State Medical University, 634050, Tоmsk, Moskovskiy str. 2., Russia
| | - Anastasia Yu Kishkina
- Laboratory of tumor Biochemistry, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Science, 634009, Tomsk, Kooperativny str., 5, Russia
| | - Liudmila V Spirina
- Laboratory of tumor Biochemistry, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Science, 634009, Tomsk, Kooperativny str., 5, Russia; Biochemistry Division, Siberian State Medical University, 634050, Tоmsk, Moskovskiy str. 2., Russia.
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13
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Zhao CY, Cheng R, Yang Z, Tian ZM. Nanotechnology for Cancer Therapy Based on Chemotherapy. Molecules 2018; 23:E826. [PMID: 29617302 PMCID: PMC6017446 DOI: 10.3390/molecules23040826] [Citation(s) in RCA: 169] [Impact Index Per Article: 28.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 03/27/2018] [Accepted: 03/29/2018] [Indexed: 02/07/2023] Open
Abstract
Chemotherapy has been widely applied in clinics. However, the therapeutic potential of chemotherapy against cancer is seriously dissatisfactory due to the nonspecific drug distribution, multidrug resistance (MDR) and the heterogeneity of cancer. Therefore, combinational therapy based on chemotherapy mediated by nanotechnology, has been the trend in clinical research at present, which can result in a remarkably increased therapeutic efficiency with few side effects to normal tissues. Moreover, to achieve the accurate pre-diagnosis and real-time monitoring for tumor, the research of nano-theranostics, which integrates diagnosis with treatment process, is a promising field in cancer treatment. In this review, the recent studies on combinational therapy based on chemotherapy will be systematically discussed. Furthermore, as a current trend in cancer treatment, advance in theranostic nanoparticles based on chemotherapy will be exemplified briefly. Finally, the present challenges and improvement tips will be presented in combination therapy and nano-theranostics.
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Affiliation(s)
| | | | - Zhe Yang
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China.
| | - Zhong-Min Tian
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China.
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Abstract
Inhibitors of mTOR, including clinically available rapalogs such as rapamycin (Sirolimus) and Everolimus, are gerosuppressants, which suppress cellular senescence. Rapamycin slows aging and extends life span in a variety of species from worm to mammals. Rapalogs can prevent age-related diseases, including cancer, atherosclerosis, obesity, neurodegeneration and retinopathy and potentially rejuvenate stem cells, immunity and metabolism. Here, I further suggest how rapamycin can be combined with metformin, inhibitors of angiotensin II signaling (Losartan, Lisinopril), statins (simvastatin, atorvastatin), propranolol, aspirin and a PDE5 inhibitor. Rational combinations of these drugs with physical exercise and an anti-aging diet (Koschei formula) can maximize their anti-aging effects and decrease side effects.
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15
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Berstein LM, Berlev IV, Baltrukova AN. Endometrial cancer evolution: new molecular-biologic types and hormonal-metabolic shifts. Future Oncol 2017; 13:2593-2605. [PMID: 29168655 DOI: 10.2217/fon-2017-0217] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
The question hidden in the title of this manuscript (whether the topic develops or remains constant) is important for all areas of science. It is also a serious problem for endometrial cancer (EC) study. In recent times the incidence of EC gradually increases in parallel with obesity epidemics. The main point of this review was evaluation of changes in EC area in last few decades, which are not only seen in tumor incidence, but also in its biology, hormonal-metabolic characteristics of patients and in the ratio of risk and anti-risk factors. One can hope that data accumulated recently and summarized here under the notion of EC evolution will find its use for advancement of EC prevention and treatment.
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Affiliation(s)
- Lev M Berstein
- Laboratory of Oncoendocrinology, NN Petrov Research Institute of Oncology, St Petersburg, Russia
| | - Igor V Berlev
- Department of Gynecological Oncology, NN Petrov Research Institute of Oncology, St Petersburg, Russia.,Department of Obstetrics and Gynecology, Northwestern State Medical University named after II Mechnikov, St Petersburg, Russia
| | - Alexandra N Baltrukova
- Laboratory of Oncoendocrinology, NN Petrov Research Institute of Oncology, St Petersburg, Russia.,Department of Obstetrics and Gynecology, Northwestern State Medical University named after II Mechnikov, St Petersburg, Russia
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16
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Yunusova NV, Kondakova IV, Kolomiets LA, Afanas'ev SG, Chernyshova AL, Kudryavtsev IV, Tsydenova AA. Molecular targets for the therapy of cancer associated with metabolic syndrome (transcription and growth factors). Asia Pac J Clin Oncol 2017; 14:134-140. [PMID: 29115033 DOI: 10.1111/ajco.12780] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Accepted: 08/20/2017] [Indexed: 12/23/2022]
Abstract
Metabolic syndrome (MS) is one of the leading risk factors for the development of cardiovascular diseases, type II diabetes mellitus and reproductive system diseases. Currently, not only cardiovascular disease and reproductive history risks related with MS are frequently discussed, but it has been also shown that MS is associated with increased risk of some common cancers (endometrial cancer, postmenopausal breast cancer, colorectal cancer, biliary tract cancers and liver cancer for men). Further studies are required to understand the mechanisms of the involvement of MS components in the pathogenesis of malignant neoplasms. Changes in the expression of transcription and growth factors in the peripheral tissues as well as in cancer tissues of patients with MS were revealed. Transcription factors (AMP-activated protein kinase-1, STAT3, sterol regulatory element-binding protein-1 and peroxisome proliferator-activated receptor-γ), leptin and adiponectin receptors seem to be the most promising molecular targets for the therapy of cancers associated with MS.
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Affiliation(s)
- Natalia V Yunusova
- Cancer Research Institute, Тomsk National Research Medical Center, Russian Academy of Science, Tomsk, Russian Federation.,Siberian State Medical University, Тоmsk, Russian Federation
| | - Irina V Kondakova
- Cancer Research Institute, Тomsk National Research Medical Center, Russian Academy of Science, Tomsk, Russian Federation
| | - Larisa A Kolomiets
- Cancer Research Institute, Тomsk National Research Medical Center, Russian Academy of Science, Tomsk, Russian Federation.,Siberian State Medical University, Тоmsk, Russian Federation
| | - Sergey G Afanas'ev
- Cancer Research Institute, Тomsk National Research Medical Center, Russian Academy of Science, Tomsk, Russian Federation
| | - Alena L Chernyshova
- Cancer Research Institute, Тomsk National Research Medical Center, Russian Academy of Science, Tomsk, Russian Federation
| | - Igor V Kudryavtsev
- School of Biomedicine, Far Eastern Federal University, Vladivostok, Russian Federation
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17
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Bekusova VV, Patsanovskii VM, Nozdrachev AD, Anisimov VN. Metformin inhibits development of colon malignant tumors induced by 1,2-dimethylhydrazine in rats. DOKLADY BIOLOGICAL SCIENCES : PROCEEDINGS OF THE ACADEMY OF SCIENCES OF THE USSR, BIOLOGICAL SCIENCES SECTIONS 2016; 468:97-100. [PMID: 27411816 DOI: 10.1134/s0012496616030017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Indexed: 12/25/2022]
Abstract
It has been shown that metformin dose-dependently inhibits the development of colon tumors induced by 1,2-dimethylhydrazine (DMH) in rats. The metformin effect manifested itself as a decrease in the amount and average size of tumors, increased degree of their differentiation, and reduction of invasion depth, which was more pronounced in the group of animals that received metformin at a dose of 100 mg/kg of body weight as compared with rats treated with metformin at a dose of 300 mg/kg.
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Affiliation(s)
- V V Bekusova
- St. Petersburg State University, St. Petersburg, 197183, Russia.
| | - V M Patsanovskii
- Pavlov Institute of Physiology, Russian Academy of Sciences, St. Petersburg, 199034, Russia
| | - A D Nozdrachev
- St. Petersburg State University, St. Petersburg, 197183, Russia
| | - V N Anisimov
- Petrov Research Institute of Oncology, Ministry of Health of Russia, St. Petersburg, 197758, Russia
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18
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Krishnamurthy S, Ng VWL, Gao S, Tan MH, Hedrick JL, Yang YY. Codelivery of dual drugs from polymeric micelles for simultaneous targeting of both cancer cells and cancer stem cells. Nanomedicine (Lond) 2015; 10:2819-32. [PMID: 26377155 DOI: 10.2217/nnm.15.109] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
AIM Phenformin-loaded micelles (Phen M) were used in combination with gemcitabine-loaded micelles (Gem M) to study their combined effect against H460 human lung cancer cells and cancer stem cells (CSCs) in vitro and in vivo. MATERIALS & METHODS Gem M and Phen M were prepared via self-assembly of a mixture of a diblock copolymer of PEG and urea-functionalized polycarbonate (PEG-PUC) and a diblock copolymer of PEG and acid-functionalized polycarbonate (PEG-PAC) through hydrogen bonding and ionic interactions. Gem M and Phen M were characterized and tested for efficacy both in vitro and in vivo against cancer cells and CSCs. RESULTS The combination of Gem M/Phen M exhibited higher cytotoxicity against CSCs and non-CSCs than Gem M and Phen M alone, and showed significant cell cycle growth arrest in vitro. The combination therapy had superior tumor suppression and apoptosis in vivo without inducing toxicity to liver and kidney. CONCLUSION The combination of Gem M and Phen M may be potentially used in lung cancer therapy.
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Affiliation(s)
- Sangeetha Krishnamurthy
- Institute of Bioengineering & Nanotechnology, 31 Biopolis Way, The Nanos, Singapore 138669, Singapore.,NUS Graduate School for Integrative Sciences & Engineering, National University of Singapore, 117456, Singapore
| | - Victor W L Ng
- Institute of Bioengineering & Nanotechnology, 31 Biopolis Way, The Nanos, Singapore 138669, Singapore
| | - Shujun Gao
- Institute of Bioengineering & Nanotechnology, 31 Biopolis Way, The Nanos, Singapore 138669, Singapore
| | - Min-Han Tan
- Institute of Bioengineering & Nanotechnology, 31 Biopolis Way, The Nanos, Singapore 138669, Singapore
| | - James L Hedrick
- IBM Almaden Research Center, 650 Harry Road, San Jose, CA 95120, USA
| | - Yi Yan Yang
- Institute of Bioengineering & Nanotechnology, 31 Biopolis Way, The Nanos, Singapore 138669, Singapore
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19
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Berstein LM, Vasilyev DA, Iyevleva AG, Boyarkina MP, Poroshina TE, Khadzhimba AS, Imyanitov EN. Potential and real 'antineoplastic' and metabolic effect of metformin in diabetic and nondiabetic postmenopausal females. Future Oncol 2015; 11:759-70. [PMID: 25757680 DOI: 10.2217/fon.14.317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
AIM The goal of this study was to determine if the single nucleotide polymorphisms marking potential sensitivity to metformin (MF) correlate with hormone-metabolic status as well as with actual response to MF in postmenopausal cancer patients with or without Type 2 diabetes mellitus and in diabetics without cancer. PATIENTS & METHODS The carriage of ten different SNPs was evaluated in all patients by PCR, and hormone-metabolic status was estimated by anthropometry, ELISA and enzyme colorimetric assays. The response to daily 1-1.7 g of MF was studied based on hormone-metabolic parameters and indirect end points (endometrium thickness, mammographic breast density). RESULTS & CONCLUSION The changes in evaluated 'antineoplastic' and metabolic response marker values were seen in 33.3 and 61.8% of the cases, respectively. Several genetic markers were found that showed an inclination to less frequent 'antineoplastic' or more frequent metabolic response to MF which may be helpful in further studies of this drug in cancer patients.
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Affiliation(s)
- Lev M Berstein
- Laboratory of Oncoendocrinology, NN Petrov Research Institute of Oncology, St Petersburg, Russia 197758
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20
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Blagosklonny MV. Koschei the immortal and anti-aging drugs. Cell Death Dis 2014; 5:e1552. [PMID: 25476900 PMCID: PMC4649836 DOI: 10.1038/cddis.2014.520] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2014] [Revised: 11/01/2014] [Accepted: 11/03/2014] [Indexed: 12/20/2022]
Abstract
In Slavic folklore, Koschei the Immortal was bony, thin and lean. Was his condition caused by severe calorie restriction (CR)? CR deactivates the target of rapamycin pathway and slows down aging. But the life-extending effect of severe CR is limited by starvation. What if Koschei's anti-aging formula included rapamycin? And was rapamycin (or another rapalog) combined with commonly available drugs such as metformin, aspirin, propranolol, angiotensin II receptor blockers and angiotensin-converting enzyme inhibitors.
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Affiliation(s)
- M V Blagosklonny
- Department of Cell Stress Biology, Roswell Park Cancer Institute, BLSC, L3-312, Elm and Carlton Streets, Buffalo, NY, USA
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21
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Anisimov VN. Do metformin a real anticarcinogen? A critical reappraisal of experimental data. ANNALS OF TRANSLATIONAL MEDICINE 2014; 2:60. [PMID: 25333035 DOI: 10.3978/j.issn.2305-5839.2014.06.02] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Accepted: 04/17/2014] [Indexed: 01/23/2023]
Abstract
Evidence has emerged that antidiabetic biguanides [phenformin (PF), buformin (BF) and metformin (MF)] are promising candidates for prevention of cancer. It was shown that antidiabetic biguanides postpone spontaneous carcinogenesis as well as inhibit carcinogenesis induced by chemical, radiation and biological factors (virus, transgene, genetic modifications, special diet, etc.) in a number of organs and tissues in various strains of mice and rats. The present review focused on some details of experiments such as design of studies, dose and route of administration of biguanide, and age of animals at start of treatment etc. Conclusion may be done that there are rather sufficient evidence of cancer-preventive activity of antidiabetic biguanides in experimental animals.
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Affiliation(s)
- Vladimir N Anisimov
- Department of Carcinogenesis and Oncogerontology, N.N. Petrov Research Institute of Oncology, St.Petersburg 197758, Russia
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22
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Orecchioni S, Reggiani F, Talarico G, Mancuso P, Calleri A, Gregato G, Labanca V, Noonan DM, Dallaglio K, Albini A, Bertolini F. The biguanides metformin and phenformin inhibit angiogenesis, local and metastatic growth of breast cancer by targeting both neoplastic and microenvironment cells. Int J Cancer 2014; 136:E534-44. [DOI: 10.1002/ijc.29193] [Citation(s) in RCA: 103] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2014] [Revised: 08/06/2014] [Accepted: 08/27/2014] [Indexed: 12/15/2022]
Affiliation(s)
- Stefania Orecchioni
- Laboratory of Hematology-Oncology; European Institute of Oncology; Milan Italy
| | - Francesca Reggiani
- Laboratory of Hematology-Oncology; European Institute of Oncology; Milan Italy
| | - Giovanna Talarico
- Laboratory of Hematology-Oncology; European Institute of Oncology; Milan Italy
| | - Patrizia Mancuso
- Laboratory of Hematology-Oncology; European Institute of Oncology; Milan Italy
| | - Angelica Calleri
- Laboratory of Hematology-Oncology; European Institute of Oncology; Milan Italy
| | - Giuliana Gregato
- Laboratory of Hematology-Oncology; European Institute of Oncology; Milan Italy
| | - Valentina Labanca
- Laboratory of Hematology-Oncology; European Institute of Oncology; Milan Italy
| | - Douglas M. Noonan
- Scientific and Technologic Park; IRCCS MultiMedica Italy
- Department of Biotechnology and Life Sciences; University of Insubria; Varese Italy
| | - Katiuscia Dallaglio
- Research and Statistics Department; IRCCS "Tecnologie Avanzate e Modelli Assistenziali in Oncologia" Arcispedale S. Maria Nuova; Reggio Emilia Italy
| | - Adriana Albini
- Research and Statistics Department; IRCCS "Tecnologie Avanzate e Modelli Assistenziali in Oncologia" Arcispedale S. Maria Nuova; Reggio Emilia Italy
| | - Francesco Bertolini
- Laboratory of Hematology-Oncology; European Institute of Oncology; Milan Italy
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23
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Berstein LM. Cancer endocrinology through own experience: areas for further thought and development. Interview by Natasha Galukande. Future Oncol 2014; 9:933-7. [PMID: 23837755 DOI: 10.2217/fon.13.75] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Lev Berstein speaks to Natasha Galukande, Assistant Commissioning Editor. Lev Berstein is Chief of Laboratory of Oncoendocrinology at the Petrov Research Institute of Oncology, St Petersburg, Russia. His main scientific interests include mechanisms of hormonal carcinogenesis, studying risk factors of hormone-associated tumors, and new approaches for prevention and treatment of the latter. As a clinician, he is involved in the management of cancer patients needing hormonal therapy or having endocrine pathology. Berstein has received several international distinctions (including an INTAS grant and UICC Translational Cancer Research Fellowship), serves as a Member of Council of the Russian Endocrine Association and is on the editorial boards of several international journals, including Future Oncology, was Guest Editor for a special focus issue of Expert Review of Endocrinology and Metabolism on hormones in breast and prostate cancer, and is a member of the European Association of Cancer Research and The Endocrine Society of the USA. His bibliography includes 11 monographs, 21 chapters and more than 200 papers in peer-reviewed journals. He graduated as a MD from Tartu University in Estonia and completed his PhD and Doctor of Medical Sciences degrees in cancer endocrinology at the NN Petrov Institute in St Petersburg (Russia).
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Abstract
Studies in mammals have demonstrated that hyperglycemia and hyperinsulinemia are important factors in aging and cancer. Inactivation of insulin/insulin-like signaling increases lifespan in nematodes, fruit flies, and mice. Life-prolonging effects of caloric restriction are in part due to reduction in IGF-1, insulin, and glucose levels. Antidiabetic biguanides such as metformin, which reduce hyperglycemia and hyperinsulinemia by decreasing insulin resistance, extend lifespan, and inhibit carcinogenesis in rodents. Will antidiabetic biguanides increase lifespan in humans?
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Affiliation(s)
- Vladimir N Anisimov
- Department of Carcinogenesis and Oncogerontology; N.N. Petrov Research Institute of Oncology; St.Petersburg, Russia
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25
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Berstein LM, Iyevleva AG, Vasilyev D, Poroshina TE, Imyanitov EN. Genetic polymorphisms potentially associated with response to metformin in postmenopausal diabetics suffering and not suffering with cancer. Cell Cycle 2013; 12:3681-8. [PMID: 24145224 DOI: 10.4161/cc.26868] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Metformin is a well-known antidiabetic medication, which, besides diabetes, may be involved into modulation of other age-related pathologies, including cancer. The study concerns 12 gene polymorphisms divided into 2 groups consisting of 6 genes each. The first group was composed from so-called "standard" (S) polymorphisms, for which the connection with metabolic response to metformin is already established. The second group included polymorphisms of genes encoding proteins possibly connected with diabetes mellitus type 2 (DM2), impaired glucose tolerance or cancer and entitled here as "associated" (A). A total of 156 postmenopausal women (average age 60.7 ± 0.7) were included, 37 of them healthy, 64 with type DM2 and concurrent treatment-naïve cancer (mostly breast, endometrial or colorectal cancer), 32 with DM2 without cancer, and 23 with treatment-naïve cancer and normal glucose tolerance. The leading metformin response S-marker in combined group of DM2 patients was the CC variant of OCT1-R61C polymorphism of organic cation transporter protein 1 gene. In cancer patients without DM2, this position belonged to AC and AA genotypes of OCT1_rs622342 polymorphism. Among the A-polymorphisms, GA variant of sex hormone-binding globulin gene SHBG_D356N was less frequently observed in DM2 patients with or without cancer. Besides, in diabetics, the same polymorphic variant of SHBG as well as GC genotype of oxidized lipoprotein receptor OLR1_G501C and GG genotype of locus rs11065987 near BRAP gene were carried rather often in combination with "metformin-positive" variant of OCT1_R61C. In addition, carriers of OCT1_R61C and OCT1_rs622342 polymorphisms with potentially positive reaction to metformin had higher insulin resistance score (HOMA-IR) values. Received data lead to the conclusion that postmenopausal diabetics, both with and without cancer, differ in genetic stigmata of potential response to metformin less than they differ from cancer patients without DM2. As genetic polymorphisms associated with metabolic and anticancer metformin (and, possibly, phenformin) effects may be different, this subject requires further investigation.
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Affiliation(s)
- Lev M Berstein
- Laboratory of Oncoendocrinology; N.N.Petrov Research Institute of Oncology; St.Petersburg, Russia
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26
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Risk of cancer in diabetes: the effect of metformin. ISRN ENDOCRINOLOGY 2013; 2013:636927. [PMID: 24224094 PMCID: PMC3800579 DOI: 10.1155/2013/636927] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2013] [Accepted: 08/16/2013] [Indexed: 12/20/2022]
Abstract
Cancer is the second cause of death. Association of diabetes as a growing and costly disease with cancer is a major health concern. Meanwhile, preexisting diabetes is associated with an increased risk of all-cause and cancer-specific mortalities. Presence of diabetes related comorbidities, poorer response to cancer treatment, and excess mortality related to diabetes are among the most important explanations. Although diabetes appear to be a risk factor for cancer and is associated with the mortality risk in cancer patients, several factors such as diabetes duration, multiple drug therapy, and the presence of diabetes comorbidities make the assessment of the effect of diabetes treatment on cancer risk and mortality difficult. Metformin is the drug of choice for the treatment of type 2 diabetes. The available evidence from basic science, clinical, and population-based research supports the anticancer effect of metformin. However, randomized controlled clinical trials do not provide enough evidence for a strong protective effect of metformin on cancer incidence or mortality. One of the most important limitations of these trials is the short duration of the followup. Further long-term randomized controlled clinical trials specifically designed to determine metformin effect on cancer risk are needed to provide the best answer to this challenge.
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27
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Anisimov VN, Bartke A. The key role of growth hormone-insulin-IGF-1 signaling in aging and cancer. Crit Rev Oncol Hematol 2013; 87:201-23. [PMID: 23434537 PMCID: PMC4095988 DOI: 10.1016/j.critrevonc.2013.01.005] [Citation(s) in RCA: 138] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2012] [Revised: 12/22/2012] [Accepted: 01/18/2013] [Indexed: 12/14/2022] Open
Abstract
Studies in mammals have led to the suggestion that hyperglycemia and hyperinsulinemia are important factors in aging. GH/Insulin/insulin-like growth factor-1 (IGF-1) signaling molecules that have been linked to longevity include daf-2 and InR and their homologues in mammals, and inactivation of the corresponding genes increases lifespan in nematodes, fruit flies and mice. The life-prolonging effects of caloric restriction are likely related to decreasing IGF-1 levels. Evidence has emerged that antidiabetic drugs are promising candidates for both lifespan extension and prevention of cancer. Thus, antidiabetic drugs postpone spontaneous carcinogenesis in mice and rats, as well as chemical and radiation carcinogenesis in mice, rats and hamsters. Furthermore, metformin seems to decrease the risk for cancer in diabetic patients.
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Affiliation(s)
- Vladimir N Anisimov
- Department of Carcinogenesis and Oncogerontology, N.N. Petrov Research Institute of Oncology, St. Petersburg, Russia.
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28
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Blagosklonny MV. Common drugs and treatments for cancer and age-related diseases: revitalizing answers to NCI's provocative questions. Oncotarget 2013; 3:1711-24. [PMID: 23565531 PMCID: PMC3681506 DOI: 10.18632/oncotarget.890] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
In 2011, The National Cancer Institute (NCI) has announced 24 provocative questions on cancer. Some of these questions have been already answered in “NCI's provocative questions on cancer: some answers to ignite discussion” (published in Oncotarget, 2011, 2: 1352.) The questions included “Why do many cancer cells die when suddenly deprived of a protein encoded by an oncogene?” “Can we extend patient survival by using approaches that keep tumors static?” “Why are some disseminated cancers cured by chemotherapy alone?” “Can we develop methods to rapidly test interventions for cancer treatment or prevention?” “Can we use our knowledge of aging to enhance prevention or treatment of cancer?” “What is the mechanism by which some drugs commonly and chronically used for other indications protect against cancer?” “How does obesity contribute to cancer risk?” I devoted a single subchapter to each the answer. As expected, the provocative questions were very diverse and numerous. Now I choose and combine, as a single problem, only three last questions, all related to common mechanisms and treatment of age-related diseases including obesity and cancer. Can we use common existing drugs for cancer prevention and treatment? Can we use some targeted “cancer-selective” agents for other diseases and … aging itself.
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Affiliation(s)
- Mikhail V Blagosklonny
- Department of Cell Stress Biology, Roswell Park Cancer Institute, Elm and Carlton Streets, Buffalo, NY, USA.
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29
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Beydoun H, Kancherla V, Stadtmauer L, Beydoun M. Patterns of use of insulin-sensitizing agents among diabetic, borderline diabetic and non-diabetic women in the National Health and Nutrition Examination Surveys. Gynecol Endocrinol 2013; 29:350-6. [PMID: 23323803 PMCID: PMC3772626 DOI: 10.3109/09513590.2012.752457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The purpose of this cross-sectional study based on the 2001-2006 National Health and Nutrition Examination Survey is to examine demographic, socioeconomic, lifestyle and reproductive characteristics that may distinguish users and non-users of insulin sensitizing agents among the US diabetic, borderline diabetic and non-diabetic women. Use of insulin-sensitizing agents was evaluated among 19,579 (3882 diabetic, 387 borderline diabetic and 15,310 non-diabetic) women. Overall, 2% of women in the study sample were users of insulin-sensitizers, including metformin, rosiglitazone and pioglitazone. Multivariate logistic regression models were constructed for predictors of insulin-sensitizer use according to diabetic status. In the overall sample, being younger or diabetic were the only factors associated with an increased odds of using insulin-sensitizing agents, after adjustment of confounders. Among diabetics, use of insulin-sensitizing agents was inversely related to age, but not other factors in the multivariable model. Among borderline and non-diabetics, body mass index (BMI) was the only predictor that remained significantly associated with the use of insulin-sensitizing agents after controlling for confounders. In conclusion, the main predictors of insulin-sensitizer use are young age and diabetic status in all women, young age in diabetic women and high BMI in borderline and non-diabetic women.
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Affiliation(s)
- Hind Beydoun
- Graduate Program in Public Health, Eastern Virginia Medical School, Norfolk, VA 23501-1980, USA.
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Menendez JA, Oliveras-Ferraros C, Cufí S, Corominas-Faja B, Joven J, Martin-Castillo B, Vazquez-Martin A. Metformin is synthetically lethal with glucose withdrawal in cancer cells. Cell Cycle 2012; 11:2782-92. [PMID: 22809961 DOI: 10.4161/cc.20948] [Citation(s) in RCA: 109] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Glucose deprivation is a distinctive feature of the tumor microecosystem caused by the imbalance between poor supply and an extraordinarily high consumption rate. The metabolic reprogramming from mitochondrial respiration to aerobic glycolysis in cancer cells (the "Warburg effect") is linked to oncogenic transformation in a manner that frequently implies the inactivation of metabolic checkpoints such as the energy rheostat AMP-activated protein kinase (AMPK). Because the concept of synthetic lethality in oncology can be applied not only to genetic and epigenetic intrinsic differences between normal and cancer cells but also to extrinsic ones such as altered microenvironment, we recently hypothesized that stress-energy mimickers such as the AMPK agonist metformin should produce metabolic synthetic lethality in a glucose-starved cell culture milieu imitating the adverse tumor growth conditions in vivo. Under standard high-glucose conditions, metformin supplementation mostly caused cell cycle arrest without signs of apoptotic cell death. Under glucose withdrawal stress, metformin supplementation circumvented the ability of oncogenes (e.g., HER2) to protect breast cancer cells from glucose-deprivation apoptosis. Significantly, representative cell models of breast cancer heterogeneity underwent massive apoptosis (by >90% in some cases) when glucose-starved cell cultures were supplemented with metformin. Our current findings may uncover crucial issues regarding the cell-autonomous metformin's anti-cancer actions: (1) The offently claimed clinically irrelevant, non-physiological concentrations needed to observe the metformin's anti-cancer effects in vitro merely underlie the artifactual interference of erroneous glucose-rich experimental conditions that poorly reflect glucose-starved in vivo conditions; (2) the preferential killing of cancer stem cells (CSC) by metformin may simply expose the best-case scenario for its synthetically lethal activity because an increased dependency on Warburg-like aerobic glycolysis (hyperglycolytic phenotype) is critical to sustain CSC stemness and immortality; (3) the microenvironment-mediated contextual synthetic lethality of metformin should be expected to enormously potentiate the anti-cancer effect of anti-angiogenesis agents that promote severe oxygen and glucose deprivation in certain areas of the tumor tissues.
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Affiliation(s)
- Javier A Menendez
- Translational Research Laboratory, Catalan Institute of Oncology, Girona, Catalonia, Spain.
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Abstract
National Cancer Institute has announced 24 provocative questions on cancer. Here I try to answer some of them by linking the dots of existing knowledge.
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Affiliation(s)
- Mikhail V Blagosklonny
- Department of Cell Stress Biology, Roswell Park Cancer Institute, BLSC, L3-312, Elm and Carlton Streets, Buffalo, NY 14263, USA.
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Del Barco S, Vazquez-Martin A, Cufí S, Oliveras-Ferraros C, Bosch-Barrera J, Joven J, Martin-Castillo B, Menendez JA. Metformin: multi-faceted protection against cancer. Oncotarget 2012; 2:896-917. [PMID: 22203527 PMCID: PMC3282095 DOI: 10.18632/oncotarget.387] [Citation(s) in RCA: 232] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The biguanide metformin, a widely used drug for the treatment of type 2 diabetes, may exert cancer chemopreventive effects by suppressing the transformative and hyperproliferative processes that initiate carcinogenesis. Metformin's molecular targets in cancer cells (e.g., mTOR, HER2) are similar to those currently being used for directed cancer therapy. However, metformin is nontoxic and might be extremely useful for enhancing treatment efficacy of mechanism-based and biologically targeted drugs. Here, we first revisit the epidemiological, preclinical, and clinical evidence from the last 5 years showing that metformin is a promising candidate for oncology therapeutics. Second, the anticancer effects of metformin by both direct (insulin-independent) and indirect (insulin-dependent) mechanisms are discussed in terms of metformin-targeted processes and the ontogenesis of cancer stem cells (CSC), including Epithelial-to-Mesenchymal Transition (EMT) and microRNAs-regulated dedifferentiation of CSCs. Finally, we present preliminary evidence that metformin may regulate cellular senescence, an innate safeguard against cellular immortalization. There are two main lines of evidence that suggest that metformin's primary target is the immortalizing step during tumorigenesis. First, metformin activates intracellular DNA damage response checkpoints. Second, metformin attenuates the anti-senescence effects of the ATP-generating glycolytic metabotype-the Warburg effect-, which is required for self-renewal and proliferation of CSCs. If metformin therapy presents an intrinsic barrier against tumorigenesis by lowering the threshold for stress-induced senescence, metformin therapeutic strategies may be pivotal for therapeutic intervention for cancer. Current and future clinical trials will elucidate whether metformin has the potential to be used in preventive and treatment settings as an adjuvant to current cancer therapeutics.
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Affiliation(s)
- Sonia Del Barco
- Medical Oncology, Catalan Institute of Oncology, Girona, Catalonia, Spain
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Berstein LM. Metformin in obesity, cancer and aging: addressing controversies. Aging (Albany NY) 2012; 4:320-9. [PMID: 22589237 PMCID: PMC3384433 DOI: 10.18632/aging.100455] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2012] [Accepted: 04/29/2012] [Indexed: 12/25/2022]
Abstract
Metformin, an oral anti-diabetic drug, is being considered increasingly for treatment and prevention of cancer, obesity as well as for the extension of healthy lifespan. Gradually accumulating discrepancies about its effect on cancer and obesity can be explained by the shortage of randomized clinical trials, differences between control groups (reference points), gender- and age-associated effects and pharmacogenetic factors. Studies of the potential antiaging effects of antidiabetic biguanides, such as metformin, are still experimental for obvious reasons and their results are currently ambiguous. Here we discuss whether the discrepancies in different studies are merely methodological or inherently related to individual differences in responsiveness to the drug.
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Affiliation(s)
- Lev M Berstein
- Laboratory of Oncoendocrinology, N.N.Petrov Research Institute of Oncology, St. Petersburg, Russia.
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Current World Literature. Curr Opin Oncol 2012; 24:109-14. [DOI: 10.1097/cco.0b013e32834f4ea3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Apontes P, Leontieva OV, Demidenko ZN, Li F, Blagosklonny MV. Exploring long-term protection of normal human fibroblasts and epithelial cells from chemotherapy in cell culture. Oncotarget 2011; 2:222-33. [PMID: 21447859 PMCID: PMC3260824 DOI: 10.18632/oncotarget.248] [Citation(s) in RCA: 128] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Killing of proliferating normal cells limits chemotherapy of cancer. Several
strategies to selectively protect normal cells were previously suggested. Here
we further explored the protection of normal cells from cell cycle-specific
chemotherapeutic agents such as mitotic inhibitors (MI). We focused on a
long-term cell recovery (rather than on a short-term cell survival) after a
3-day exposure to MI (paclitaxel and nocodazole). In three normal human cell
types (RPE, NKE, WI-38t cells) but not in cancer cells with mutant p53,
pre-treatment with nutlin-3a, a non-genotoxic inducer of wt p53, caused G1
and/or G2 arrest, thus preventing lethal mitotic arrest caused by MI and
allowing normal cells to recover after removal of MI. Rapamycin, an inhibitor of
the nutrient-sensing mTOR pathway, potentiated the protective effect of
nutlin-3a in normal cells. Also, a combination of rapamycin and metformin, an
anti-diabetic drug, induced G1 and G2 arrest selectively in normal cells and
thereby protected them from MI. A combination of metformin and rapamycin also
protected normal cells in low glucose conditions, whereas in contrast it was
cytotoxic for cancer cells. Based on these data and the analysis of the
literature, we suggest that a rational combination of metformin and rapamycin
can potentiate chemotherapy with mitotic inhibitors against cancer, while
protecting normal cells, thus further increasing the therapeutic window.
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Affiliation(s)
- Pasha Apontes
- Roswell Park Cancer Institute, Elm and Carlton Streets, Buffalo, NY 14263, USA
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Vazquez-Martin A, López-Bonetc E, Cufí S, Oliveras-Ferraros C, Del Barco S, Martin-Castillo B, Menendez JA. Repositioning chloroquine and metformin to eliminate cancer stem cell traits in pre-malignant lesions. Drug Resist Updat 2011; 14:212-23. [PMID: 21600837 DOI: 10.1016/j.drup.2011.04.003] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2011] [Revised: 04/19/2011] [Accepted: 04/20/2011] [Indexed: 01/07/2023]
Abstract
Ideal oncology drugs would be curative after a short treatment course if they could eliminate epithelium-originated carcinomas at their non-invasive, pre-malignant stages. Such ideal molecules, which are expected to molecularly abrogate all the instrumental mechanisms acquired by migrating cancer stem cells (CSCs) to by-pass tumour suppressor barriers, might already exist. We here illustrate how system biology strategies for repositioning existing FDA-approved drugs may accelerate our therapeutic capacity to eliminate CSC traits in pre-invasive intraepithelial neoplasias. First, we describe a signalling network signature that overrides bioenergetics stress- and oncogene-induced senescence (OIS) phenomena in CSCs residing at pre-invasive lesions. Second, we functionally map the anti-malarial chloroquine and the anti-diabetic metformin ("old drugs") to their recently recognized CSC targets ("new uses") within the network. By discussing the preclinical efficacy of chloroquine and metformin to inhibiting the genesis and self-renewal of CSCs we finally underscore the expected translational impact of the "old drugs-new uses" repurposing strategy to open a new CSC-targeted chemoprevention era.
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Affiliation(s)
- Alejandro Vazquez-Martin
- Unit of Translational Research, Catalan Institute of Oncology-Girona, Avenida de Francia s/n, E-17007 Girona, Catalonia, Spain
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Dowling RJO, Goodwin PJ, Stambolic V. Understanding the benefit of metformin use in cancer treatment. BMC Med 2011; 9:33. [PMID: 21470407 PMCID: PMC3224599 DOI: 10.1186/1741-7015-9-33] [Citation(s) in RCA: 263] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2011] [Accepted: 04/06/2011] [Indexed: 12/21/2022] Open
Abstract
Biguanides have been developed for the treatment of hyperglycemia and type 2 diabetes. Recently, metformin, the most widely prescribed biguanide, has emerged as a potential anticancer agent. Epidemiological, preclinical and clinical evidence supports the use of metformin as a cancer therapeutic. The ability of metformin to lower circulating insulin may be particularly important for the treatment of cancers known to be associated with hyperinsulinemia, such as those of the breast and colon. Moreover, metformin may exhibit direct inhibitory effects on cancer cells by inhibiting mammalian target of rapamycin (mTOR) signaling and protein synthesis. The evidence supporting a role for metformin in cancer therapy and its potential molecular mechanisms of action are discussed.
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Affiliation(s)
- Ryan J O Dowling
- Ontario Cancer Institute, University Health Network, Toronto, Ontario, Canada
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Anisimov VN, Piskunova TS, Popovich IG, Zabezhinski MA, Tyndyk ML, Egormin PA, Yurova MV, Rosenfeld SV, Semenchenko AV, Kovalenko IG, Poroshina TE, Berstein LM. Gender differences in metformin effect on aging, life span and spontaneous tumorigenesis in 129/Sv mice. Aging (Albany NY) 2011; 2:945-58. [PMID: 21164223 PMCID: PMC3034183 DOI: 10.18632/aging.100245] [Citation(s) in RCA: 95] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Studies in mammals have led to the suggestion that hyperglycemia and hyperinsulinemia are important factors both in aging and in the development of cancer. It is possible that the life-prolonging effects of calorie restriction are due to decreasing IGF-1 levels. A search of pharmacological modulators of insulin/IGF-1 signaling pathway (which mimetic effects of life span extending mutations or calorie restriction) could be a perspective direction in regulation of longevity. Antidiabetic biguanides are most promising among them. The chronic treatment of inbred 129/Sv mice with metformin (100 mg/kg in drinking water) slightly modified the food consumption but failed to influence the dynamics of body weight, decreased by 13.4% the mean life span of male mice and slightly increased the mean life span of female mice (by 4.4%). The treatment with metformin failed influence spontaneous tumor incidence in male 129/Sv mice, decreased by 3.5 times the incidence of malignant neoplasms in female mice while somewhat stimulated formation of benign vascular tumors in the latter.
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Affiliation(s)
- Vladimir N Anisimov
- N.N.Petrov Research Institute of Oncology, Pesochny-2, St.Petersburg 197758, Russia.
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Anisimov VN, Berstein LM, Popovich IG, Zabezhinski MA, Egormin PA, Piskunova TS, Semenchenko AV, Tyndyk ML, Yurova MN, Kovalenko IG, Poroshina TE. If started early in life, metformin treatment increases life span and postpones tumors in female SHR mice. Aging (Albany NY) 2011; 3:148-57. [PMID: 21386129 PMCID: PMC3082009 DOI: 10.18632/aging.100273] [Citation(s) in RCA: 207] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2011] [Accepted: 02/20/2011] [Indexed: 02/03/2023]
Abstract
Hyperglycemia and hyperinsulinemia accelerate both aging and cancer. Antidiabetic biguanides such as metformin decrease glucose, insulin and IGF-1 level. Metformin increases lifespan and prevents cancer in mice, although its effects vary, depending on mice strain and gender. Here we showed that chronic treatment of female outbred SHR mice with metformin started at the age of 3, 9 or 15 months decreased body temperature and postponed age-related switch-off of estrous function. Surprisingly, metformin did not affect levels of serum cholesterol, triglycerides, glucose and insulin. Treatment with metformin started at the age of 3 months increased mean life span by 14% and maximum life span by 1 month. The treatment started at the age of 9 months insignificantly increased mean life span by only 6%, whereas the treatment started at the age of 15 months failed to increase life span. The mean life span of tumor-free mice was increased by 21% in 'the youngest group', by 7% in 'middle-aged group' and in contrast was reduced by 13% in 'the oldest group'. When started at the age of 3 and 9 months, metformin delayed the first tumor detection by 22% and 25%, correspondingly. Thus, in female SHR mice, metformin increased life span and postponed tumors when started at the young and middle but not at the old age. In contrast, metformin improves reproductive function when started at any age.
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Affiliation(s)
- Vladimir N Anisimov
- N.N. Petrov Research Institute of Oncology, Pesochny-2, St. Petersburg, Russia.
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40
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Abstract
Studies in mammals have led to the suggestion that hyperglycemia and hyperinsulinemia are important factors in aging. Insulin/insulin-like growth factor 1 (IGF-1) signaling molecules that have been linked to longevity include daf-2 and InR and their homologues in mammals, and inactivation of the corresponding genes increases life span in nematodes, fruit flies and mice. It is possible that the life-prolonging effect of caloric restriction is due to decreasing IGF-1 levels. Evidence has emerged that antidiabetic drugs are promising candidates for both life span extension and prevention of cancer. Thus, antidiabetic drugs postpone spontaneous carcinogenesis in mice and rats, as well as chemical and radiation carcinogenesis in mice, rats and hamsters. Furthermore metformin seems to decrease cancer risk in diabetic patients.
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Affiliation(s)
- Vladimir N Anisimov
- Department of Carcinogenesis and Oncogerontology, N.N. Petrov Research Institute of Oncology, St. Petersburg 197758, Russia.
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