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Abstract
PURPOSE OF REVIEW Opioids are administered to cancer patients although concerns have been raised that they may promote tumour growth or metastasis owing to their ability to suppress anti-cancer immunity. Tramadol has been reported to preserve or promote the immune response and may therefore be preferred to other opioids in cancer patients. We reviewed the literature documenting the immunomodulatory effects of tramadol. RECENT FINDINGS Recent clinical evidence appears to confirm that tramadol possesses anti-inflammatory properties, and preserves some signalling cascades of the immune system relevant to anti-cancer defence. Tramadol is reported to promote or preserve immunity including natural killer cell activity which is important in anti-cancer defences.
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Saraya T, Tsujimoto N, Yamada Y, Nunokawa H, Ohkuma K, Yonetani S, Makino H, Araki K, Tsukahara Y, Fujiwara M, Ishii H, Takizawa H. Hidden Disease with Pulmonary Alveolar Hemorrhage. J Gen Fam Med 2016. [DOI: 10.14442/jgfm.17.1_77] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Li X, Xu K, Li W, Qiu X, Ma B, Fan Q, Li Z. Immunologic response to tumor ablation with irreversible electroporation. PLoS One 2012; 7:e48749. [PMID: 23139816 PMCID: PMC3490901 DOI: 10.1371/journal.pone.0048749] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2012] [Accepted: 10/01/2012] [Indexed: 12/14/2022] Open
Abstract
Background Irreversible electroporation (IRE) is a promising technique for the focal treatment of pathologic tissues, which involves placing minimally invasive electrodes within the targeted region. However, the knowledge about the therapeutic efficacy and immune reactions in response to IRE remains in its infancy. Methods In this work, to detect whether tumor ablation with IRE could trigger the immunologic response, we developed an osteosarcoma rat model and applied IRE directly to ablate the tumor. In the experiment, 118 SD rats were randomized into 4 groups: the control, sham operation, surgical resection, and IRE groups. Another 28 rats without tumor cell implantation served as the normal non-tumor-bearing group. We analyzed the changes in T lymphocyte subsets, sIL-2R and IL-10 levels in the peripheral blood one day before operation, as well as at 1, 3, 7,14 and 21 days after the operation. Moreover, splenocytes were assayed for IFN-γ and IL-4 production using intracellular cytokine staining one day before the operation, as well as at 7 and 21 days after operation. Results We found that direct IRE completely ablated the tumor cells. A significant increase in peripheral lymphocytes, especially CD3+ and CD4+ cells, as well as an increased ratio of CD4+/CD8+ were detectable 7 days after operation in both the IRE and surgical resection groups. Compared with the surgical resection group, the IRE group exhibited a stronger cellular immune response. The sIL-2R level of the peripheral blood in the IRE group decreased with time and was significantly different from that in the surgical resection group. Moreover, ablation with IRE significantly increased the percentage of IFN-γ-positive splenocytes. Conclusion These findings indicated that IRE could not only locally destroy the tumor but also change the status of cellular immunity in osteosarcoma-bearing rats. This provides experimental evidence for the clinical application of IRE in osteosarcoma treatment.
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Affiliation(s)
- Xiaoxiang Li
- Orthopedics Oncology Institute of Chinese PLA, Tangdu Hospital, the Fourth Military Medical University, Xi’an, Shannxi, China
| | - Kui Xu
- Orthopedics Oncology Institute of Chinese PLA, Tangdu Hospital, the Fourth Military Medical University, Xi’an, Shannxi, China
| | - Wei Li
- Orthopedics Oncology Institute of Chinese PLA, Tangdu Hospital, the Fourth Military Medical University, Xi’an, Shannxi, China
| | - Xiuchun Qiu
- Orthopedics Oncology Institute of Chinese PLA, Tangdu Hospital, the Fourth Military Medical University, Xi’an, Shannxi, China
| | - Baoan Ma
- Orthopedics Oncology Institute of Chinese PLA, Tangdu Hospital, the Fourth Military Medical University, Xi’an, Shannxi, China
| | - Qingyu Fan
- Orthopedics Oncology Institute of Chinese PLA, Tangdu Hospital, the Fourth Military Medical University, Xi’an, Shannxi, China
- * E-mail: (ZL); (QF)
| | - Zhao Li
- Orthopedics Oncology Institute of Chinese PLA, Tangdu Hospital, the Fourth Military Medical University, Xi’an, Shannxi, China
- * E-mail: (ZL); (QF)
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Interleukin-2 immunotherapy action on innate immunity cells in peripheral blood and tumoral tissue of pancreatic adenocarcinoma patients. Langenbecks Arch Surg 2008; 394:115-21. [DOI: 10.1007/s00423-008-0393-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2008] [Accepted: 07/08/2008] [Indexed: 01/21/2023]
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Bien E, Balcerska A, Kuchta G. Serum level of soluble interleukin-2 receptor alpha correlates with the clinical course and activity of Wilms' tumour and soft tissue sarcomas in children. Biomarkers 2007; 12:203-13. [PMID: 17536769 DOI: 10.1080/13547500601066410] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Wilms' tumour (WT) and soft tissue sarcomas (SA) in children lack reliable biochemical markers. This study was carried out to determine the clinical significance of serum soluble interleukin-2 receptor alpha (sIL-2Ralpha) in the diagnostics and treatment monitoring of children with WT and SA. The study included 48 children: ten with WT, eight with SA and 30 healthy controls. The sIL-2Ralpha levels (ELISA) and rates of elevated sIL-2Ralpha values were estimated prospectively at diagnosis and in complete remission during treatment and after therapy. As the dependence on age was determined, the levels of sIL-2Ralpha were expressed as multiplications of the upper value of the normal range for a particular age ( xN). Median pretreatment levels of sIL-2Ralpha in patients exceeded those of healthy controls (1.79 xN for WT and 1.53 for SA vs. 0.61 for controls; p < 0.001) as did the rates of elevated sIL-2Ralpha values (80% of WTand 87.5% of SA patients vs. 0% of controls). Good response to therapy was paralleled by a significant decline of pretreatment sIL-2Ralpha levels and its elevated rates. Thus, sIL-2Ralpha determination may be of some value in the diagnostics and treatment monitoring of childhood WT and SA.
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Affiliation(s)
- E Bien
- Department of Paediatrics, Haematology, Oncology and Endocrinology, Medical University of Gdansk, Poland.
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Wang G, Weng Y, Ishiguro Y, Sakamoto H, Morita S. The effect of tramadol on serum cytokine response in patients undergoing pulmonary lobectomy. J Clin Anesth 2005; 17:444-50. [PMID: 16171665 DOI: 10.1016/j.jclinane.2004.10.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2004] [Accepted: 10/05/2004] [Indexed: 11/20/2022]
Abstract
STUDY OBJECTIVE To investigate the effect of tramadol on the production of serum interleukin (IL) 6, IL-10, and IL-2 and soluble (s) IL-2 receptor (R), thereby evaluating its effects on the proinflammatory and anti-inflammatory responses and immune function in cancer patients undergoing conventional pulmonary lobectomy. DESIGN Randomized, double-blinded, placebo-controlled study. SETTING University hospital. PATIENTS Forty ASA physical status I and II adult patients scheduled for conventional pulmonary lobectomy. INTERVENTIONS Patients were randomly divided into 2 groups (n = 20 in each group). Both groups received general anesthesia with enflurane combined with epidural blockade. At 5 minutes before skin incision, patients were given either tramadol 1.5 mg/kg intravenously (IV), followed by a continuous infusion of 0.5 mg/kg per hour until the end of surgery (group I), or IV normal saline (group II). MEASUREMENTS AND MAIN RESULTS Venous blood samples for the measurement of serum cytokine concentrations were taken before anesthesia and at set intervals until 24 hours after operation. Serum levels of IL-6 and IL-10 in both groups were increased significantly during and after operation compared with baseline levels (P < .05). No statistical differences between groups in terms of IL-6 and IL-10 were observed. Levels of IL-2 were elevated significantly at 4 hours after operation in group I as compared with baseline levels (P < .001), whereas they remained low at 4 and 24 hours after operation in group II (P < .01). There were significant increases in levels of sIL-2R at 4 and 24 hours after operation in group II as compared with baseline levels (P < .05) and at 24 hours after operation in group I (P < .01). Levels of IL-2 were higher at 4 and 24 hours after operation in group I than in group II (P < .01). Levels of sIL-2R were lower at 4 hours after operation in group I than in group II (P < .01). CONCLUSIONS IV infusion of tramadol does not seem to alter IL-6/IL-10 cytokine response to pulmonary lobectomy. As tramadol was associated with increased IL-2 and delayed enhancement of sIL-2R in our study, it may attenuate to some extent an impaired immune response in pulmonary lobectomy.
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Affiliation(s)
- Guonian Wang
- Department of Anesthesiology, The Third Clinical Hospital, Harbin Medical University, Harbin, Heilongjiang Province 150040, China.
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Nicolini A, Carpi A, Ferrari P, Tartarelli G, Anselmi L, Metelli MR, Gorini I, Spinelli C, Miccoli P, Giardino R. Long-term monitoring of cell-mediated immunity in disease-free breast cancer patients: a preliminary retrospective study. Biomed Pharmacother 2002; 56:339-44. [PMID: 12418581 DOI: 10.1016/s0753-3322(02)00243-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
In 102 N- and 44 N+ disease-free breast cancer patients, lymphocytic populations and skin reaction of delayed hypersensitivity (SRDH) were monitored up to 266 months after mastectomy to find out whether they were similar or different from control values. In two selected groups of 34 N- and 11 N+ breast cancer patients, the whole 10 year follow-up was divided into three subintervals, each of them lasting 40 months and the time course of lymphocytic populations was evaluated. In the 102 N- patients, mean CD4+, CD8+, CD3+ values were lower (P < 0.01, P < 0.001, P < 0.01, respectively) while CD4+/CD8+ ratio was higher (P < 0.05) than in controls. Fifteen N- breast cancer patients (16%) were anergic compared to 30(32%) of controls (P < 0.05). In the 34 selected N- breast cancer patients soon after mastectomy the mean value of CD4+, CD8+, CD3+ T subpopulations was lower (P < 0.01, P < 0.001, P < 0.01, respectively) than in controls. Successively their mean value increased so that in the last subinterval they were not or were only slightly lower (P n.s., P < 0.05, P < 0.05, respectively) than in controls. In the 44 N+ patients, mean CD4+, CD8+, CD3+ values were lower (P < 0.001, v < 0.05, P < 0.01, respectively) and CD19+ lymphocytes higher (P < 0.001) than in controls. Five N+ breast cancer patients (13%) were anergic compared to 32% of controls (P < 0.05). In the 11 selected N+ breast cancer patients soon after mastectomy, the mean value of CD4+, CD8+ T subpopulations and CD16+56+ cells was significantly lower (P < 0.001, P < 0.001, P < 0.01, respectively) than in controls. Successively their mean value constantly increased so that in the last subinterval, no or slight (P n.s., P < 0.05, P n.s., respectively) significant difference compared to controls occurred. The mean CD4+/CD8+ ratio value of N- patients was significantly higher than in controls. However in the last subinterval, the significance was lower than in the first one (P < 0.05 and P < 0.01, respectively). In the N+ patients, the mean value of CD4+/CD8+ ratio was constant, although not significantly, lower than in controls; however it progressively increased from the first to the last subinterval. Therefore the significance of the difference of the mean CD4+/CD8+ ratio between N- and N+ patients strongly decreased from the first to the last subinterval (P < 0.001 and P < 0.05, respectively). These data indicate that in breast cancer patients, following mastectomy, a significant activation of memory and CD4+ T cells and long-term decrease of the circulating immunocompetent CD4+, CD8+ and CD16+56+ cells occurs. The prolonged disease-free interval observed in the 34 N- and 11 N+ breast cancer patients can be correlated with the restoration of the normal state of cell-mediated immunity.
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Affiliation(s)
- A Nicolini
- Department of Internal Medicine, University of Pisa, Italy.
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Shibata M, Takekawa M, Amano S. Increased serum concentrations of soluble tumor necrosis factor receptor I in noncachectic and cachectic patients with advanced gastric and colorectal cancer. Surg Today 1998; 28:884-8. [PMID: 9744395 DOI: 10.1007/s005950050247] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The serum levels of soluble tumor necrosis factor receptor I (sTNF-RI) were measured in 74 noncachectic patients including 42 with gastric cancer and 32 with colorectal cancer, as well as in 39 patients with severe cachexia and 15 healthy volunteers. The sTNF-RI levels increased with the advance of disease, being highest in the cachectic patients. The levels were inversely correlated with the serum concentrations of nutritional parameters such as prealbumin, transferrin, retinol binding protein, and the percentages of CD3(+) cells in the peripheral blood lymphocytes, and positively correlated with the serum concentration of immunosuppressive acidic protein (IAP) and soluble interleukin-2 receptors. These findings suggest that sTNF-RI could be an important prognostic factor to predict the advance of gastric and colorectal cancers and deterioration of the patient's nutritional and immune activity.
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Affiliation(s)
- M Shibata
- First Department of Surgery, Nihon University School of Medicine, Tokyo, Japan
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Avradopoulos K, Mehta S, Blackinton D, Wanebo HJ. Interleukin-10 as a possible mediator of immunosuppressive effect in patients with squamous cell carcinoma of the head and neck. Ann Surg Oncol 1997; 4:184-90. [PMID: 9084857 DOI: 10.1007/bf02303803] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND Depressed cell-mediated immunity is a frequent event in patients with head and neck cancer and is characterized by impairment of T cell-proliferative responses and natural killer cell and lymphokine-activated killer cell activity. This immunosuppressive effect appears to be mediated by a serum-derived factor. Certain cytokines, including transforming growth factor-beta (TGF-beta) and interleukin (IL)-10 have been shown to induce similar immunosuppressive effects. The present study was designed to examine the putative role of these cytokines in cellular immune suppression induced by patient serum. METHODS Serum was collected from multiple patients with newly diagnosed or recurrent squamous cell carcinoma of the head and neck. The serum was heat inactivated for 30 min and frozen in aliquots. Peripheral blood lymphocytes were isolated from normal human blood. Lymphocytes were suspended in RPMI and 15% concentrations of control and patient serum and stimulated with 0.75 mg% phytohemagglutinin. In addition, neutralizing antibodies to TGF-beta and IL-10 were added to lymphocyte cultures. At 24 h, and IL-2 response assay was performed. Finally, the sera were examined for the presence of TGF-beta and IL-10 using an enzyme-linked immunosorbent assay (ELISA). RESULTS In seven of seven experiments, incubating cells with a neutralizing antibody to TGF-beta failed to counteract the immune suppression and restore proliferative response to IL-2. Also, an ELISA of these sera failed to demonstrate the presence of TGF-beta. In contrast, four of five experiments performed with neutralizing antibody to IL-10 showed significant restoration of proliferation in the presence of this antibody. Also, ELISA showed elevated IL-10 levels in 65% of the patients' sera in comparison to controls. CONCLUSION We conclude that TGF-beta is not responsible for the immunosuppressive effects induced by head and neck patient sera. However, the suppressive effect is reversed by blocking the biologic action of IL-10. Further experiments are needed to define the role of IL-10 in inducing the immunosuppressive effect.
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Affiliation(s)
- K Avradopoulos
- Roger Williams Medical Center, Brown University, Providence, Rhode Island 12908-4735, USA
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Müller N, Riedel M, Schwarz M, Gruber R, Ackenheil M. Immunomodulatory Effects of Neuroleptics to the Cytokine System and the Cellular Immune System in Schizophrenia. CURRENT UPDATE IN PSYCHOIMMUNOLOGY 1997. [DOI: 10.1007/978-3-7091-6870-7_8] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Müller N, Empl M, Riedel M, Schwarz M, Ackenheil M. Neuroleptic treatment increases soluble IL-2 receptors and decreases soluble IL-6 receptors in schizophrenia. Eur Arch Psychiatry Clin Neurosci 1997; 247:308-13. [PMID: 9477010 DOI: 10.1007/bf02922260] [Citation(s) in RCA: 104] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The cytokines interleukin-2 (IL-2) and interleukin-6 (IL-6) increase during immune activation, they are released from activated astrocytes and microglial cells in the central nervous system (CNS), and they are able to enhance the catecholaminergic neurotransmission. This study focused on the soluble receptors of IL-2 and IL-6 (sIL-2R, sIL-6R) as a part of the regulation system of IL-2 and IL-6. We studied serum levels of sIL-2R in 30 schizophrenic patients not under neuroleptic medication during an acute exacerbation of the disease and reexamined these patients under neuroleptic treatment after clinical improvement. The sIL-6R levels of 39 schizophrenic patients were estimated under the same conditions. The results were compared with the levels of sIL-2R and sIL-6R in 42 healthy controls. No difference was found between the schizophrenic patients before neuroleptic treatment and the healthy controls. During neuroleptic treatment, however, there was a significant increase of sIL-2R levels and a significant decrease of the sIL-6R levels between the pre- and post-conditions. In comparison with healthy controls, the treatment group also showed increased sIL-2R levels and decreased sIL-6R levels. These results suggest that treatment with neuroleptics is associated with increased sIL-2R and decreased sIL-6R. Since sIL-2R bind and inactivate IL-2, whereas sIL-6R form an active complex with IL-6, the increase of sIL-2R and the decrease of sIL-6R together may reflect a functional down regulation of these activating cytokines. This suggests that neuroleptic therapy has a differentiated immunomodulatory effect.
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Affiliation(s)
- N Müller
- Psychiatric Hospital, Ludwig Maximilian University, Munich, Germany
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12
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Mariotti S, Barbesino G, Caturegli P, Marinò M, Manetti L, Fugazzola L, Pacini F, Pinchera A. Serum soluble interleukin 2 (IL-2) receptor (sIL-2R) in differentiated thyroid carcinoma. J Endocrinol Invest 1994; 17:861-7. [PMID: 7745234 DOI: 10.1007/bf03347792] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Increased concentrations of serum soluble interleukin-2 (IL-2) receptor (sIL-2R), a marker of T-lymphocyte activation, have been found in several metastatic solid tumors. To our knowledge, no information is available on serum sIL-2R in differentiated thyroid carcinoma (DTC). Aim of this study was to evaluate whether disease activity and/or thyroid status may affect circulating sIL-2R in DTC, since it is has recently been demonstrated that serum thyroid hormone concentration positively modulates circulating sIL-2R. DTC patients were divided into 3 groups: Group A: 48 patients without metastases or local recurrences; Group B: 16 patients with cervical lymph node metastases; Group C: 22 patients with distant metastases. All patients were evaluated after total thyroidectomy both off and on L-thyroxine (L-T4) therapy. Control group was composed by 20 healthy euthyroid subjects. sIL-2R was assayed by solid-phase ELISA. In the hypothyroid state, sIL-2R levels of Group A were significantly lower when compared to normal controls (256 +/- 130 vs. 461 +/- 186 U/ml, p < 0.001 by Student t test); Group B and Group C patients off L-T4 therapy had sIL-2R concentrations significantly higher (479 +/- 407 U/ml, Group B; 519 +/- 746 U/ml, Group C) when compared to hypothyroid patients of Group A (p < 0.01 and p < 0.05, respectively), but not significantly different from normal euthyroid controls.(ABSTRACT TRUNCATED AT 250 WORDS)
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MESH Headings
- Adenocarcinoma, Follicular/blood
- Adenocarcinoma, Follicular/pathology
- Adenocarcinoma, Follicular/secondary
- Adult
- Aged
- Aged, 80 and over
- Bone Neoplasms/blood
- Bone Neoplasms/secondary
- Carcinoma, Papillary/blood
- Carcinoma, Papillary/pathology
- Carcinoma, Papillary/secondary
- Enzyme-Linked Immunosorbent Assay
- Female
- Humans
- Hypothyroidism/blood
- Hypothyroidism/drug therapy
- Lung Neoplasms/blood
- Lung Neoplasms/secondary
- Lymphatic Metastasis
- Male
- Middle Aged
- Neoplasm Recurrence, Local/blood
- Neoplasm Recurrence, Local/pathology
- Neoplasm Staging
- Receptors, Interleukin-2/analysis
- Thyroid Neoplasms/blood
- Thyroid Neoplasms/pathology
- Thyroxine/therapeutic use
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Affiliation(s)
- S Mariotti
- Istituto di Endocrinologia, University of Pisa, Italy
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Murakami S, Satomi A, Ishida K, Murai H, Okamura Y. Serum soluble interleukin-2 receptor in colorectal cancer. Acta Oncol 1994; 33:19-21. [PMID: 8142118 DOI: 10.3109/02841869409098369] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Preoperative serum soluble interleukin-2 receptor (IL-2R) levels were measured in patients with colorectal cancer, and correlated with various factors as stage, lymph node metastasis, liver metastasis, grade, serum CEA and IAP (immunosuppressive acidic protein). The levels of serum soluble IL-2R in Dukes stage C were significantly higher than in normal control and in Dukes stage A. Serum levels were also significantly higher in patients with lymph node metastasis than in patients without such metastasis, and in IAP positive patients compared to IAP negative patients. Preoperative serum IL-2R levels thus seem to reflect the stage of the disease.
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Affiliation(s)
- S Murakami
- Second Department of Surgery, Saitama Medical School, Japan
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Barton DP, Blanchard DK, Michelini-Norris B, Roberts WS, Hoffman MS, Fiorica JV, Nicosia SV, Cavanagh D, Djeu JY. Serum soluble interleukin-2 receptor alpha levels in patients with gynecologic cancers: early effect of surgery. Am J Reprod Immunol 1993; 30:202-6. [PMID: 8311929 DOI: 10.1111/j.1600-0897.1993.tb00621.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
PROBLEM To determine the early effect of abdominal cytoreductive surgery on serum soluble interleukin-2 receptor alpha (sIL-2R alpha) levels in patients with ovarian and cervical cancer, and to determine if the extent of cytoreduction correlated with the changes in serum sIL-2R alpha. METHOD Thirty-nine patients with gynecologic cancer had serum sIL-2R alpha measured by enzyme-linked immunosorbent assay before abdominal cytoreductive surgery and once in the early postoperative period. RESULTS Only patients with advanced epithelial ovarian cancer had elevated preoperative serum sIL-2R alpha levels. In 20 of 25 ovarian cancer cases (80%) and 10 of 14 cervical cancer cases (71.4%) the postoperative serum sIL-2R alpha levels exceeded the preoperative level (P = .003 and P = .011, respectively). Overall, the mean postoperative serum sIL-2R alpha level was greater than the preoperative level (P = .0001). CONCLUSION Patients with early stage gynecologic cancer did not have elevated serum sIL-2R alpha levels before surgery. In the early postoperative period the serum sIL-2R alpha level was increased, which may be a nonspecific response to the trauma of surgery. Soluble IL-2R alpha may be one of the factors responsible for the immunosuppression in the early postoperative period, but may also herald a surge of activated T cells.
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Affiliation(s)
- D P Barton
- Immunology Program, H. Lee Moffitt Cancer Center and Research Institute, University of S. Florida College of Medicine, Tampa
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Abstract
Alterations have been found to occur in every component of immune response during anaesthesia and surgery. These alterations represent the body's general physiological responses and are mainly dependent on the extent of surgery, as well as other factors such as the patient's age and health status, medication and blood transfusion. Anaesthetic and operative complications have profound effects on these responses. Basically, the immune response to anaesthesia and surgery is a beneficial reaction, needed in local host defences and wound healing and in preventing the body from making autoantibodies against its own tissues. The responses may, however, contribute to the development of postoperative infections and spread of malignant disease. During uncomplicated conventional surgery, the immune response usually passes clinically unnoticed without any harmful effects. Absent responses and excessively high responses, on the other hand, harm the patient. Our understanding of immunological phenomena and our possibilities of controlling mediator activation are now lagging behind the technical advances made in operative treatment. If we want to decrease operative morbidity and mortality to below their present levels, more attention should be directed to immune responses to major surgery, injuries and operative complications with massive mediator release which place the surgical patient at risk. Experimental evidence suggests that results of treatment in injured and operated patients can in the future be improved by controlling immune responses and their mediator systems. Our current level of knowledge of immune responses is already helping us to avoid many immune-mediated complications. However, routine interference with these responses is not indicated.
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Affiliation(s)
- M Salo
- Department of Anaesthesiology, University of Turku, Finland
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