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Gallegos-Arreola MP, Garibaldi-Ríos AF, Figuera LE, Salas-Aragón A, Gómez-Meda BC, Zúñiga-González GM, Delgado-Saucedo JI, Rivera-Cameras A, Dávalos-Rodriguez IP, Ruiz-Ramírez AV, Puebla-Pérez AM. Variants rs2758346, rs5746094, and rs2758331 of SOD2 gene: association study with breast cancer in a Mexican population and their analysis in silico. Eur Rev Med Pharmacol Sci 2024; 28:1163-1177. [PMID: 38375721 DOI: 10.26355/eurrev_202402_35355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
OBJECTIVE The aim of the study was to analyze the association between the superoxide dismutase 2 (SOD2) gene variants rs2758346, rs5746094, and rs2758331 and breast cancer (BC) in the Mexican population as well as to perform in silico assessments of the variants' potential impact. PATIENTS AND METHODS We performed in silico analysis and analyzed 489 healthy women and 467 BC patients using TaqMan assays and Real-Time PCR. RESULTS The TT genotype, the T allele of the rs2758346 variant, and the CC genotype of both rs5746094 and rs2758331 were identified as BC risk factors (p < 0.05). The TT and CTTT genotype of the rs2758346 variant stratified by the presence of ki-67 (> 20%), TCCC, and estrogen receptor (ER)-positive of the rs5746094 variant, and the CC and CT genotypes of rs2758331 stratified by menopause status and non-chemotherapy response were risk factors. The TTC and TTA haplotypes are risk factors for BC. In silico analysis revealed that the rs2758346, rs5746094, and rs2758331 variants could influence SOD2 gene regulation by transcription factors and circulating RNAs (circRNAs). CONCLUSIONS The rs2758346, rs5746094, and rs2758331 variants of the SOD2 gene were associated with BC risk and could influence SOD2 regulation by transcription factors and circRNAs.
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Affiliation(s)
- M P Gallegos-Arreola
- División de Genética, Centro de Investigación Biomédica de Occidente (CIBO), Centro Médico Nacional de Occidente (CMNO), Instituto Mexicano del Seguro Social (IMSS), Guadalajara, Jalisco, México.
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Gallegos-Arreola MP, Márquez-Rosales MG, Gómez-Meda BC, Zúñiga-González GM, Puebla-Pérez AM, Zamora-Pérez AL, Delgado-Saucedo JI, Figuera LE. SOD1 gene variants rs4817415, rs2070424, and rs1041740 and their association with breast cancer risk. Eur Rev Med Pharmacol Sci 2023; 27:3088-3095. [PMID: 37070912 DOI: 10.26355/eurrev_202304_31943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 04/19/2023]
Abstract
OBJECTIVE The aim of this investigation was to determine the frequency and association of the variants rs4817415, rs2070424, and rs1041740 of the SOD1 gene in healthy women and breast cancer (BC) patients. PATIENTS AND METHODS Genomic DNA samples from 146 healthy women and 130 patients with BC were analyzed. RESULTS GG genotype (OR 2.54, 95% CI 1.31-4.91, p = 0.0073) and the G allele (OR 1.37, 95% CI 1.09-1.73, p = 0.007) of the rs2070424 variant and CC genotype (OR 1.67, 95% CI 1.04-0.2.70, p = 0.0444) and allele C (OR 1.58, 95% CI 1.09-2.29, p = 0.0183) of the rs1041740 variant of SOD1 gene were associated as risk factors for BC susceptibility relative to the control group. Study groups comparison of the stratification by menopausal status showed an association of susceptibility to BC risk with carriers of the GG genotype (OR 2.9, 95% CI 1.11-7.81, p = 0.042) of the rs2070424 variant and with the premenopausal status of the study group and the TT (OR 2.89, 95% CI 1.73-4.85, p = 0.001) genotype of the rs1041740 variant. Furthermore, differences were observed in the patients with BC who were carriers of the CC genotype of the rs4817415 variant with elevated Ki-67 (≥ 20%) and who presented lymph node metastasis and stage III-IV BC (p<0.05). Two common haplotypes were identified in the study groups: CAC (protective factor), and CGC (risk factor) (p<0.05). CONCLUSIONS The rs2070424 and rs1041740 variants of the SOD1 gene and the CGC haplotype were associated as risk susceptibility factors of BC in this sample analyzed.
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Affiliation(s)
- M P Gallegos-Arreola
- División de Genética, Centro de Investigación Biomédica de Occidente (CIBO), Centro Médico Nacional de Occidente (CMNO), Instituto Mexicano del Seguro Social (IMSS), Guadalajara, Jalisco, México.
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Gallegos-Arreola MP, Ramírez-Patiño R, Sánchez-López JY, Zúñiga-González GM, Figuera LE, Delgado-Saucedo JI, Gómez-Meda BC, Rosales-Reynoso MA, Puebla-Pérez AM, Lemus-Varela ML, Garibaldi-Ríos AF, Marín-Domínguez NA, Pacheco-Verduzco DP, Mohamed-Flores EA. SOD2 Gene Variants (rs4880 and rs5746136) and Their Association with Breast Cancer Risk. Curr Issues Mol Biol 2022; 44:5221-5233. [PMID: 36354667 PMCID: PMC9688594 DOI: 10.3390/cimb44110355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/12/2022] [Accepted: 10/22/2022] [Indexed: 11/16/2022] Open
Abstract
The superoxide dismutase (SOD) is the principal antioxidant defense system in the body that is activated by a reactive oxygen species. Some variants of the SOD2 gene have been associated with cancer. The rs4880 variant was determined by PCR real-time and the rs5746136 variant by PCR-RFLP in healthy subjects and in breast cancer (BC) patients. The rs4880 and rs5746136 variants were associated with BC susceptibility when BC patients and the control group were compared for the CT, TT, CTCC, and the T alleles (p < 0.05). The CT genotype of the rs4880 variant showed significant statistical differences in patients and controls aged ≤ 45 years old, and with hormonal consumption (p < 0.05). The rs4880 variant was associated with BC patients with CTTT genotype and obesity, the presence of DM2-SAH, and a non-chemotherapy response (p < 0.05). Additionally, the rs5746136 variant was associated with susceptibility to BC with Ki-67 (≥20%), luminal A type BC, and a chemotherapy partial response (p < 0.05) in BC patients who carry TT, TC, and CTTT genotypes, respectively. The haplotype T/T (OR 1.98; 95% CI 1.20−3.26, p = 0.005) was observed to be a risk factor for BC. The rs4880 and rs5746136 variants in the SOD2 gene were associated with BC susceptibility.
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Affiliation(s)
- Martha P. Gallegos-Arreola
- División de Genética, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), 44340 Guadalajara, Mexico
- Correspondence: ; Tel.: +52-33-36170060 (ext. 31936)
| | - Ramiro Ramírez-Patiño
- Departamento de Medicina y Ciencias de la Vida, Centro Universitario la Ciénega, Universidad de Guadalajara, 47810 Ocotlán, Mexico
| | - Josefina Y. Sánchez-López
- División de Genética, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), 44340 Guadalajara, Mexico
| | | | - Luis E. Figuera
- División de Genética, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), 44340 Guadalajara, Mexico
| | - Jorge I. Delgado-Saucedo
- Laboratorio de Inmunofarmacología, Departamento de Farmacología, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, 44100 Guadalajara, Mexico
| | - Belinda C. Gómez-Meda
- Departamento de Biología Molecular y Genómica, Instituto de Genética Humana “Dr. Enrique Corona Rivera”, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, 44100 Guadalajara, Mexico
| | | | - Ana M. Puebla-Pérez
- Laboratorio de Inmunofarmacología, Departamento de Farmacología, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, 44100 Guadalajara, Mexico
| | - María L. Lemus-Varela
- Departamento de Neonatología, Hospital de Pediatría, UMAE, CMNO, IMSS, 44340 Guadalajara, Mexico
| | | | - Nayely A. Marín-Domínguez
- División de Genética, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), 44340 Guadalajara, Mexico
| | - Diana P. Pacheco-Verduzco
- División de Genética, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), 44340 Guadalajara, Mexico
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Ramírez-Hernández MA, Figuera LE, Rizo-de la Torre LC, Mendoza-Ruvalcaba MTMTSC, Arnaud-López L, García-Ortiz JE, Zúñiga-González GM, Puebla-Pérez AM, Gómez-Meda BC, Gallegos-Arreola MP. Mutational spectrum of the iduronate-2-sulfatase gene in Mexican patients with Hunter syndrome. Eur Rev Med Pharmacol Sci 2022; 26:5115-5127. [PMID: 35916809 DOI: 10.26355/eurrev_202207_29300] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
OBJECTIVE Hunter syndrome, or mucopolysaccharidosis type II (MPS II), is caused by deficiency of the lysosomal enzyme iduronate-2-sulfatase (IDS), which is responsible for degrading heparan and dermatan sulfate. The IDS gene is located on chromosome Xq28; pathological variants in this gene mostly consist of missense mutations and small and larger deletions, which produce different phenotypes. However, there is only one record in our population concerning the molecular mechanism of this disease; a genotype-phenotype description is not available. PATIENTS AND METHODS There were included 24 unrelated male patients; clinical features were recorded at a database, fluorometric IDS enzyme activity testing was done for each individual, followed by Sanger sequencing to identify mutations. RESULTS The mutational spectrum was found in 16 out of 24 Mexican patients with MPS II, and its range of phenotypes was described. The most frequent variants were of the missense type. The most affected exons were exon 3 (c.275T>G, c.284_287del, c.325T>C), exon 8 (c.1035G>C, c.550G>A), exon 9 (c.1403G>C, c.1229_1229del), and exon 7 (c.979A>C; this variant has not been previously reported). Exon 5 (c.438C>T, a non-pathogenic variant) was the least frequent. It was also found that the most severely affected patients were those with large deletions (2 out of 24) [rsaIDS: IDSP1 (P164)x0, FMR1, AFF2 (P164)x2] involving genes and pseudogenes. We found 2 patients with a synonymous mutation in exon 4. CONCLUSIONS Our results confirmed reports in the literature, since the most frequent variants were reported in exons 3 and 8. However, this result varies from one previous report in our population, which mentions large deletions and rearrangements as the most frequent alterations, since complex rearrangements were not found. According to what has been previously found, the most severely affected patients are those in which a whole gene has been deleted.
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Affiliation(s)
- M A Ramírez-Hernández
- División de Genética, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), Guadalajara, Jalisco, México.
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Gallegos-Arreola MP, García Verdín PM, Magaña-Torres MT, Figuera LE, Zúñiga-González GM, Rosales-Reynoso MA, Gómez-Meda BC, Puebla-Pérez AM. Association between rs61764370, rs9266, and rs140080026 polymorphisms of the KRAS gene and breast cancer risk in a Mexican population. Eur Rev Med Pharmacol Sci 2021; 25:6454-6464. [PMID: 34787849 DOI: 10.26355/eurrev_202111_27088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Polymorphisms of the KRAS gene have been shown to be associated with cancer. However, their association with breast cancer (BC) has been inconsistent. The purpose of this study was to determine the frequency with which the rs61764370, rs9266, and rs140080026 polymorphisms of the KRAS gene are associated with BC in patients of the Mexican population. PATIENTS AND METHODS The rs61764370 A>C or T>G and rs140080026 A>G polymorphisms were determined by Polymerase Chain Reaction (PCR), and the rs9266 A>G polymorphism was determined by DNA sequencing of healthy Mexican subjects and BC patients. RESULTS We observed that 78% of BC patients are overweight and/or obese, 57% have metastatic lymph nodes, 64% have luminal A/B cancer subtypes, and 61% have stage III-IV cancer. The rs61764370 polymorphism was associated with BC susceptibility when the BC patients and the control group were compared for the AC genotype (p = 0.020), AC vs. AA genotypes (heterozygous model: p = 0.016), AC/CC genotype (dominant model: p = 0.002), and the C allele (p = 0.007). The AC/CC genotype (p = 0.018; rs61764370) and AG/GG genotype (p = 0.005; rs9266) were associated with age in BC patients ≥50 years old. The AC/CC (rs61764370) and AG/GG (rs9266) genotypes were classified by molecular subtype, TNM stage, miscarriage, lymph node metastasis, ductal type, and Ki-67. These classifications were also associated with BC patients, indicating that these factors may significantly contribute to BC risk. The AAA (OR 0.65, 95% CI 0.43-0.98, p = 0.039) and CAA (OR 3.25, 95% CI 1.13-9.36, p = 0.021) haplotypes were also associated with BC susceptibility. In addition, 94 polymorphisms were identified on the 3'UTR of the KRAS gene GRCh 38/hg3 (25,209,490-25,209,122) in BC (n = 112) and control (n = 113) samples. However, 92 of these polymorphisms have only expressed the major allele (wild-type allele). CONCLUSIONS The rs61764370 polymorphism in the KRAS gene was associated with BC susceptibility in the Mexican population. The dominant model of the rs61764370 and rs9266 polymorphisms (classified by molecular subtype, miscarriage, TNM stage, lymph node metastasis, and Ki-67) could significantly contribute to BC risk in patients ≥50 years. The CAA haplotype could significantly contribute to BC risk in the Mexican population analyzed.
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Affiliation(s)
- M P Gallegos-Arreola
- División de Genética, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, México.
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Gallegos-Arreola MP, Briseño-Zuno CJ, Figuera LE, Sánchez-López JY, Zúñiga-González GM, Puebla-Pérez AM, Gómez-Meda BC, Montoya-Fuentes H, Delgado-Saucedo JI. The rs1008562, rs2234671, and rs3138060 polymorphisms of the CXCR1 gene are associated with breast cancer risk in a Mexican population. Eur Rev Med Pharmacol Sci 2021; 24:9990-10002. [PMID: 33090404 DOI: 10.26355/eurrev_202010_23212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE The rs1008562, rs2234671 and rs3138060 polymorphisms of the CXCR1 gene have been shown to be associated with many diseases, but in breast cancer (BC) their association has not been detected. The purpose of this study was to determine the frequency and association of the rs1008562, rs2234671 and rs3138060 polymorphisms of CXCR1 gene in BC patients in the Mexican population. PATIENTS AND METHODS The CXCR1 polymorphisms were determined by Polymerase Chain Reaction (PCR) and real time-PCR in healthy Mexican subjects and BC patients. RESULTS The prevalent patron in BC patients was observed, the majority were overweight and obesity (72%) with metastatic lymph nodes (48%), luminal A/B subtypes (63%), and advanced stages (60%). Triple negative breast cancer (TNBC) patients: they were younger (58%) than 43 years old, overweight (33%), obesity (42%), ductal type histological (98%), metastasis to lymph nodes (47%), advanced stages III-IV (61%) and metastasis (33%). The rs2234671 polymorphism was associated with BC susceptibility when BC patients and the control group were compared for the CC genotype (p=0.037), CG (heterozygous model: p=0.018), GC/CC (dominant model: p=0.004), and the C allele (p=0.001), as well as the GC/CC genotype with hormone replace therapy (HRT, p=0.016). The rs3138060 polymorphism was associated with BC susceptibility for CG/GG genotype (dominant model: p=0.032) and G allele (p=0.018). Although the association between the dominant model of rs1008562, rs2234671, rs3138060 polymorphisms and BC patients and control was evident for tobacco and alcohol consumption (p<0.05). The rs1008562, rs2234671, and rs3138060 polymorphisms of the CXCR1 gene classified by molecular subtype and stage were also associated with BC patients, indicating that these factors may significantly contribute to BC risk. The CCC (OR 1.75, 95% CI 1.03- 2.97, p=0.046), GGG (OR 3.73, 95% CI 1.61- 8.65, p=0.0018) haplotypes were also associated with BC susceptibility. CONCLUSIONS Rs2234671 and rs3138060 polymorphisms in the CXCR1 gene were associated with BC susceptibility in the Mexican population. The dominant model of the rs1008562, rs2234671 and rs3138060 polymorphisms could significantly contribute to BC risk in tobacco and alcohol consumption, molecular subtype and stage. The rs1008562, rs2234671 and rs3138060 polymorphisms, and the haplotypes CCC and GGG could significantly contribute to BC risk in the Mexican population analyzed.
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Affiliation(s)
- M P Gallegos-Arreola
- División de Genética, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, México.
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Gallegos-Arreola MP, Ramírez-Hernández MA, Figuera LE, Zúñiga-González GM, Puebla-Pérez AM. The rs2234694 and 50 bp Insertion/Deletion polymorphisms of the SOD1 gene are associated with breast cancer risk in a Mexican population. Eur Rev Med Pharmacol Sci 2021; 24:8017-8027. [PMID: 32767328 DOI: 10.26355/eurrev_202008_22485] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE The rs2234694 and 50 bp insertion/deletion (Ins/Del) polymorphisms of the SOD1 gene have been shown to be associated with many diseases, but in breast cancer (BC) their association has not been detected. The purpose of this study was to determine the frequency and association of SOD1 gene polymorphisms (rs2234694 and 50 bp Ins/Del) in BC patients in the Mexican population. MATERIALS AND METHODS The SOD1 polymorphisms were determined by Polymerase Chain Reaction (PCR) in Mexican healthy subjects and BC patients. RESULTS The rs2234694 polymorphism was associated with BC susceptibility when BC patients and the control group were compared for the AC genotype (p<0.0001), the AC/CC genotype (dominant model: p<0.0001), and the C allele (p<0.0001). The 50 bp Ins/Del polymorphism was associated with BC susceptibility for the Del allele (p=0.048), although the association between the dominant model AC/CC (rs2234694) and BC patients was evident for menopause [adjusted odds ratio (OR) 1.65 (95% CI 1.05-2.7); p=0.048], Ki-67 (≥15%) (OR1.9, 95% CI 1.14- 3.16, p=0.016), and the presence of DM2 (OR 2.4, 95% CI 1.35- 4.31, p=0.003). A protective association for BC of the rs2234694 polymorphism was observed in patients younger than 50 years positive for estrogen receptor (ER) and progesterone receptor (PR), carrying the AC genotypes (OR 0.47, 95% CI 0.23-0.94, p= 0.033) and CC (OR 0.11, 95% CI 0.013-1.07, p=0.047). The association between the InsDel/DelDel (dominant model; 50 bp Ins/Del) genotype and BC with metastatic lymph nodes (OR 1.5, 95% CI 1.1-2.25, p=0.019), hematologic toxicity (OR 1.5, 95%CI 1.1-2.23, p=0.015), gastric toxicity (OR 1.5, 95%CI 1.1-2.07, p=0.030), and Ki-67 (≥15%) (OR1.6, 95%CI 1.2-2.26, p=0.002) was evident, indicating that these factors may contribute significantly to BC risk. The C/Ins haplotype was also associated with BC susceptibility (OR3.47, 95% CI 1.62-7.74, p=0.001). CONCLUSIONS rs2234694 and 50 bp Ins/Del polymorphisms in the SOD1 gene were associated with BC susceptibility in a Mexican population. A protective association for BC of the rs2234694 polymorphism was observed in patients younger than 50 years positive for ER and PR, carrying the AC genotypes. The haplogenotypes AA/InsIns and AC/InsDel could contribute significantly to BC risk in gastric and hematologic toxicities, metastatic lymph nodes, and the presence of DM2 in the Mexican population analyzed.
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Affiliation(s)
- M P Gallegos-Arreola
- División de Genética, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, México.
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Viveros-Paredes JM, Puebla-Pérez AM, Gutiérrez-Coronado O, Macías-Lamas AM, Hernández-Flores G, Ortiz-Lazareno PC, Bravo-Cuéllar A, Villaseñor-García MM. Capsaicin attenuates immunosuppression induced by chronic stress in BALB/C mice. Int Immunopharmacol 2021; 93:107341. [PMID: 33486334 DOI: 10.1016/j.intimp.2020.107341] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 12/22/2020] [Accepted: 12/23/2020] [Indexed: 11/30/2022]
Abstract
Although acute stress generally exerts positive effects on the immune system, chronic stress typically causes immunosuppression via the hypothalamic-pituitary-adrenal (HPA) axis. In this study, the effects of capsaicin (1.28 mg/kg intraperitoneally [i.p.] for 7 days) on immune parameters were evaluated under conditions of chronic stress. Capsaicin treatment significantly increased the immune response as evaluated by the delayed-type hypersensitivity (DTH) reaction to dinitrofluorobenzene (DNFB) and splenocyte proliferation assays- It also is able to rescue the splenocytes of the apoptosis induced by stress. The capsaicin treatment increased the production of Th1 cytokines and decreased the production of Th2 cytokines and TGF-β1 in the plasma and culture supernatants of immunosuppressed mice, which is associated with the modulation of Th2 induced by stress cells. Moreover, the production of corticosterone significantly decreased in capsaicin-treated animals as compared to control groups. The capsaicin treatment further attenuated the immunosuppression induced by the corticosterone treatment (40 mg/kg i.p. for 7 days), albeit less potently, as exhibited in the DTH response. Intriguingly, the capsaicin treatment decreased the induction of IL-10, IL-4, and TGF-β1 through high doses of corticosterone, indicating direct cellular immunomodulation. These results show, that capsaicin is able to modulate chronic stress-induced immunosuppression, mediating corticosterone released inhibition, but also, that capsaicin significantly modulates the pharmacological action of corticosterone in vivo.
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Affiliation(s)
- J M Viveros-Paredes
- Departamento de Farmacobiología, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - A M Puebla-Pérez
- Departamento de Farmacobiología, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - O Gutiérrez-Coronado
- Departamento de Ciencias de la Tierra y de la Vida, Centro Universitario de los Lagos, Universidad de Guadalajara. Lagos de Moreno, Jalisco, Mexico
| | - A M Macías-Lamas
- Departamento de Farmacobiología, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - G Hernández-Flores
- División de Inmunología, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social (IMSS). Guadalajara, Jalisco, Mexico
| | - P C Ortiz-Lazareno
- División de Inmunología, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social (IMSS). Guadalajara, Jalisco, Mexico
| | - A Bravo-Cuéllar
- División de Inmunología, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social (IMSS). Guadalajara, Jalisco, Mexico; Dpto de Ciencias de Salud, CUALTOS, Universidad de Guadalajara, Tepatitlán de Morelos, Jalisco, Mexico
| | - M M Villaseñor-García
- Departamento de Farmacobiología, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico; División de Inmunología, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social (IMSS). Guadalajara, Jalisco, Mexico.
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Varela Almanza KM, Puebla-Pérez AM, Delgado-Saucedo JI, Rodríguez-Arévalo F, Zúñiga-González GM, Figuera LE, Morán-Mendoza A, Gallegos-Arreola MP. Increased homocysteine plasma levels in breast cancer patients of a Mexican population. Exp Oncol 2018; 40:114-118. [PMID: 29949534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
AIM Hyperhomocysteinemia has been associated with different pathologies, including cardiovascular diseases, hypertension, diabetes, and breast cancer (BC). To examine the differences in total homocysteine (tHcy) plasma levels, we compared healthy women to BC patients from a Mexican population. MATERIALS AND METHODS The tHcy plasma levels were measured using high-performance liquid chromatography with a fluorescence detector in 89 female controls and 261 BC patients. RESULTS The observed plasma tHcy levels were significantly higher among the BC patients (11.1019 ± 5.9161 µmol/l) compared to the controls (9.1046 ± 1.3213 µmol/l) (p = 0.002), and these differences were evident when stratified by age (≥ 50 years old), menopause status, overweight and obesity, miscarriages, node metastases, progression, subtype classification (luminal, Her2 and triple negative) and nonresponse to chemotherapy. CONCLUSIONS The tHcy plasma levels could be a good marker for the progression and chemosensitivity of BC in the analyzed sample from a Mexican population.
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Affiliation(s)
- K M Varela Almanza
- Procesess Biotechnology Doctorate, University Center of Exact Sciences and Engineering, Universidad de Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - A M Puebla-Pérez
- Immunopharmacology Laboratory, University Center of Exact Sciences and Engineering, Universidad de Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - J I Delgado-Saucedo
- Immunopharmacology Laboratory, University Center of Exact Sciences and Engineering, Universidad de Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - F Rodríguez-Arévalo
- Immunopharmacology Laboratory, University Center of Exact Sciences and Engineering, Universidad de Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - G M Zúñiga-González
- Molecular Medicine Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco 44340, Mexico
| | - L E Figuera
- Genetics Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco 44340, Mexico
| | - A Morán-Mendoza
- UMAE, Specialty Hospital, Oncology Service, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco 44340, Mexico
| | - M P Gallegos-Arreola
- Genetics Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco 44340, Mexico
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10
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Navarro-Salcedo MH, Delgado-Saucedo JI, Siordia-Sánchez VH, González-Ortiz LJ, Castillo-Herrera GA, Puebla-Pérez AM. Artemisia dracunculus Extracts Obtained by Organic Solvents and Supercritical CO 2 Produce Cytotoxic and Antitumor Effects in Mice with L5178Y Lymphoma. J Med Food 2017; 20:1076-1082. [PMID: 28737474 DOI: 10.1089/jmf.2017.0044] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
We investigated the cytotoxic and antitumor effects of nine leaf extracts from Artemisia dracunculus (Tarragon). Five extracts were obtained using different organic solvents and four by supercritical CO2. The cytotoxic effects were expressed as IC50 in 100, 80, 80, 100, and 80 μg/mL by respective solvents: hexane, ethyl acetate, acetone, ethanol, and acetonitrile in L5178Y lymphoma cells. For supercritical CO2 extract A, IC50 was 100 μg/mL; for extracts C and D, IC50 was 150 μg/mL. The antitumor activity was assessed through a tumor growth inhibition test that measured ascites fluid volume and tumor cell counts of BALB/c mice (2 × 104 cells L5178Y i.p.). Twenty-four hours after inoculation, mice were treated with 100 mg/kg of acetonitrile extract or extract SF-A daily for 15 days in independent groups of five mice, using two administration routes. We observed tumor evolution with and without treatment. Without treatment, tumor evolution was 17,969 × 106 ± 5485 L5178Y cells in 2.6 mL ascites volume, whereas the orally treated acetonitrile extract group showed 0.1 × 106 ± 0.07 L5178Y cells (P < .05). The oral SF-A group showed 12.9 × 106 ± 243 L5178Y cells, and intraperitoneal (i.p.)-treated SF-A group showed 0.1 × 106 ± 0.05 L5178Y cells (P < .05) without any ascites volume development. The acetonitrile extract contains abundant polyphenols and possibly a flavone with antioxidant activity. The SF-A contains abundant alkamides. Both extracts are complexes and the identity of the compounds responsible for observed antitumor activity remains unknown.
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Affiliation(s)
- Martha Hilda Navarro-Salcedo
- 1 Pharmacobiology Department, University Center of Exact Science and Engineering, University of Guadalajara , Guadalajara, Jalisco, México
| | - Jorge Ivan Delgado-Saucedo
- 1 Pharmacobiology Department, University Center of Exact Science and Engineering, University of Guadalajara , Guadalajara, Jalisco, México
| | - Victor Hugo Siordia-Sánchez
- 1 Pharmacobiology Department, University Center of Exact Science and Engineering, University of Guadalajara , Guadalajara, Jalisco, México
| | - Luis J González-Ortiz
- 2 Chemistry Department, University Center of Exact Science and Engineering, University of Guadalajara , Guadalajara, Jalisco, México
| | - Gustavo Adolfo Castillo-Herrera
- 3 Department of Food Technology, Center for Research and Assistance in Technology and Design of the State of Jalisco , Guadalajara, Jalisco, México
| | - Ana M Puebla-Pérez
- 1 Pharmacobiology Department, University Center of Exact Science and Engineering, University of Guadalajara , Guadalajara, Jalisco, México
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11
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Gutiérrez-Hurtado IA, Puebla-Pérez AM, Delgado-Saucedo JI, Figuera LE, Zúñiga-González GM, Gomez-Mariscal K, Ronquillo-Carreón CA, Gallegos-Arreola MP. Association between TNF-α-308G>A and -238G>A gene polymorphisms and TNF-α serum levels in Mexican colorectal cancer patients. Genet Mol Res 2016; 15:gmr8199. [PMID: 27421001 DOI: 10.4238/gmr.15028199] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The objective of this study was to examine the association between TNF-α serum levels and -308G>A and -238G>A polymorphisms in the corresponding gene by comparing healthy subjects to colorectal cancer (CRC) patients from a Mexican population. Serum levels of TNF-α were found to significantly differ between CRC patients and controls (P = 0.001), but no relationship between the -308G>A and -238G>A polymorphisms and increased CRC risk was established (P > 0.05). However, an association between the -308G>A variant and disease became evident when the distribution of AA-GA genotypes was examined in patients with hematologic toxicity (neutropenia) and those without (odds ratio = 3.356, 95% confidence interval = 1.295- 8.698, P = 0.013). The GG haplotype was more common in controls than CRC patients, with a frequency of 0.85 among the former, but this difference was not significant (P > 0.05). In conclusion, TNF-α serum levels and AA-AG genotypes of the TNF-α-308G>A polymorphism may significantly contribute to CRC susceptibility in the population examined in this investigation.
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Affiliation(s)
- I A Gutiérrez-Hurtado
- Genetics Molecular Laboratory, Genetics Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico.,Doctorate Program in Human Genetics, Health Sciences University Center, University of Guadalajara, Guadalajara, Jalisco, Mexico
| | - A M Puebla-Pérez
- Inmmunopharmacology Laboratory, Exact and Engineering Sciences University Center, University of Guadalajara, Guadalajara, Jalisco, Mexico
| | - J I Delgado-Saucedo
- Inmmunopharmacology Laboratory, Exact and Engineering Sciences University Center, University of Guadalajara, Guadalajara, Jalisco, Mexico
| | - L E Figuera
- Genetics Division, Western Biomedical Research Center, Western National Medical Center, Guadalajara, Jalisco, Mexico
| | - G M Zúñiga-González
- Mutagenesis Laboratory, Molecular Medicine Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico
| | - K Gomez-Mariscal
- Genetics Molecular Laboratory, Genetics Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico.,Doctorate Program in Human Genetics, Health Sciences University Center, University of Guadalajara, Guadalajara, Jalisco, Mexico
| | - C A Ronquillo-Carreón
- UMAE, Specialty Hospital, Oncology Service, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico
| | - M P Gallegos-Arreola
- Genetics Molecular Laboratory, Genetics Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico
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12
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Méndez-del Villar M, Puebla-Pérez AM, Sánchez-Peña MJ, González-Ortiz LJ, Martínez-Abundis E, González-Ortiz M. Effect of Artemisia dracunculus Administration on Glycemic Control, Insulin Sensitivity, and Insulin Secretion in Patients with Impaired Glucose Tolerance. J Med Food 2016; 19:481-5. [DOI: 10.1089/jmf.2016.0005] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Affiliation(s)
- Miriam Méndez-del Villar
- Institute of Experimental and Clinical Therapeutics, Health Sciences University Center, University of Guadalajara, Guadalajara, Mexico
| | - Ana M. Puebla-Pérez
- Basic Science Division, University Center of Exact Sciences and Engineering, University of Guadalajara, Guadalajara, Mexico
| | - María J. Sánchez-Peña
- Basic Science Division, University Center of Exact Sciences and Engineering, University of Guadalajara, Guadalajara, Mexico
| | - Luis J. González-Ortiz
- Basic Science Division, University Center of Exact Sciences and Engineering, University of Guadalajara, Guadalajara, Mexico
| | - Esperanza Martínez-Abundis
- Institute of Experimental and Clinical Therapeutics, Health Sciences University Center, University of Guadalajara, Guadalajara, Mexico
| | - Manuel González-Ortiz
- Institute of Experimental and Clinical Therapeutics, Health Sciences University Center, University of Guadalajara, Guadalajara, Mexico
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13
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Soto-Quintana O, Zúñiga-González GM, Ramírez-Patiño R, Ramos-Silva A, Figuera LE, Carrillo-Moreno DI, Gutiérrez-Hurtado IA, Puebla-Pérez AM, Sánchez-Llamas B, Gallegos-Arreola MP. Association of the GSTM1 null polymorphism with breast cancer in a Mexican population. Genet Mol Res 2015; 14:13066-75. [PMID: 26535619 DOI: 10.4238/2015.october.26.2] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The glutathione S transferase (GST) family plays an important role in the processing of carcinogens. Data on the null GSTM1 genotype has revealed associations with cancer, and has been suggested to affect carcinogen metabolism and to contribute to tumor promotion in the mammary gland. We examined the role of the null GSTM1 genotype by comparing the genotypes of 276 healthy Mexican women with those of 558 Mexican women with breast cancer (BC). The genotype frequencies observed in the controls and patients with BC were 38 and 45% for the null GSTM1 genotype, respectively. The obtained odds ratio (OR) was 1.36, with a 95% confidence interval (95%CI) of 1.02-1.8, P = 0.04. The protective association was also evident upon analysis of the distributions of the null GSTM1 genotype in patients with positive chemotherapy response who had high plasma levels of glucose (OR 0.56, 95%CI = 0.33-0.94, P = 0.03). This study suggested that the null GSTM1 genotype is associated with BC susceptibility in the Mexican population analyzed.
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Affiliation(s)
- O Soto-Quintana
- Molecular Genetics Laboratory, Molecular Medicine Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico
| | - G M Zúñiga-González
- Mutagenesis Laboratory, Molecular Medicine Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico
| | - R Ramírez-Patiño
- Molecular Genetics Laboratory, Molecular Medicine Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico
| | - A Ramos-Silva
- Molecular Genetics Laboratory, Molecular Medicine Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico
| | - L E Figuera
- Genetics Division, Western Biomedical Research Center, Western National Medical Center, Guadalajara, Jalisco, México
| | - D I Carrillo-Moreno
- Molecular Genetics Laboratory, Molecular Medicine Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico
| | - I A Gutiérrez-Hurtado
- Molecular Genetics Laboratory, Molecular Medicine Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico
| | - A M Puebla-Pérez
- Immunopharmacology Laboratory, Exact Science and Engineer University Center, University of Guadalajara, Guadalajara, Jalisco, México
| | - B Sánchez-Llamas
- Highly Specialized Medical Unit of Gynecology-Obstetrics Hospital, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, México
| | - M P Gallegos-Arreola
- Molecular Genetics Laboratory, Molecular Medicine Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico
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14
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Ramos-Silva A, Figuera LE, Soto-Quintana OM, Puebla-Pérez AM, Ramírez-Patiño R, Gutiérrez-Hurtado I, Carrillo-Moreno DI, Zúñiga-González GM, Dávalos-Rodríguez IP, Gallegos-Arreola MP. Association of the C677T polymorphism in the methylenetetrahydrofolate reductase gene with breast cancer in a Mexican population. Genet Mol Res 2015; 14:4015-26. [PMID: 25966173 DOI: 10.4238/2015.april.27.16] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The methylenetetrahydrofolate reductase (MTHFR) gene plays an important role in the steps involved in the processing of amino acids. The analysis of polymorphisms in the MTHFR gene has revealed associations with cancer; in particular the C677T polymorphism, which has been suggested to affect folate metabolism, DNA methylation, synthesis, and repair, and to contribute to tumor promotion in the mammary gland. We examined the role of the C677T polymorphism in the MTHFR gene by comparing the C677T genotypes of 339 healthy Mexican women with those of 497 Mexican women with breast cancer (BC). The genotype frequencies observed in the controls and patients with BC were 10 and 21% for 677TT; 41 and 36% for 677CT; and 49 and 43% for 677CC, respectively. The odds ratio (OR) for the 677TT genotype was 2.5, with a 95% confidence interval (95%CI) of 1.6-3.8; P = 0.0001. The positive association was also evident when the distributions of the 677TT genotype in control and patients affected within the following two categories were compared to alcohol consumption (OR = 0.41; 95%CI = 0.19-0.86; P = 0.018); and high level glutamate-oxaloacetate transaminase (SGOT) (OR = 0.36; 95%CI = 0.15-0.83, P = 0.017). These results suggest that the 677TT genotype of the C677T polymorphism in the MTHFR gene is associated with BC susceptibility in the Mexican population.
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Affiliation(s)
- A Ramos-Silva
- Genetics Molecular Laboratory, Molecular Medicine Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico
| | - L E Figuera
- Genetics Division, Western Biomedical Research Center, Western National Medical Center, Guadalajara, Jalisco, México
| | - O M Soto-Quintana
- Genetics Molecular Laboratory, Molecular Medicine Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico
| | - A M Puebla-Pérez
- Inmmunopharmacology Laboratory, Exact and Engineering Sciences University Center, University of Guadalajara, Guadalajara, Jalisco, México
| | - R Ramírez-Patiño
- Genetics Molecular Laboratory, Molecular Medicine Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico
| | - I Gutiérrez-Hurtado
- Genetics Molecular Laboratory, Molecular Medicine Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico
| | - D I Carrillo-Moreno
- Genetics Molecular Laboratory, Molecular Medicine Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico
| | - G M Zúñiga-González
- Mutagenesis Laboratory, Molecular Medicine Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico
| | - I P Dávalos-Rodríguez
- Genetics Division, Western Biomedical Research Center, Western National Medical Center, Guadalajara, Jalisco, México
| | - M P Gallegos-Arreola
- Genetics Molecular Laboratory, Molecular Medicine Division, Western Biomedical Research Center, Western National Medical Center, Mexican Institute of Social Security, Guadalajara, Jalisco, Mexico
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15
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Gómez Flores-Ramos L, Escoto-De Dios A, Puebla-Pérez AM, Figuera-Villanueva LE, Ramos-Silva A, Ramírez-Patiño R, Delgado-Saucedo JI, Salas-González E, Zúñiga-González GM, Alonzo-Rojo A, Gutiérrez-Hurtado I, Gallegos-Arreola MP. Association of the tumor necrosis factor-alpha -308G>A polymorphism with breast cancer in Mexican women. Genet Mol Res 2013; 12:5680-93. [PMID: 24301937 DOI: 10.4238/2013.november.18.17] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The tumor necrosis factor-alpha (TNF-α) gene plays an important role in cell proliferation, differentiation, apoptosis, lipid metabolism, coagulation, insulin resistance, and endothelial function. Polymorphisms of TNF-α have been associated with cancer. We examined the role of the -308G>A polymorphism in this gene by comparing the genotypes of 294 healthy Mexican women with those of 465 Mexican women with breast cancer. The observed genotype frequencies for controls and breast cancer patients were 1 and 14% for AA, 13 and 21% for GA, and 86 and 65% for GG, respectively. We found that the odds ratio (OR) for AA genotype was 2.4, with a 95% confidence interval (95%CI) of 5.9-101.1 (P = 0.0001). The association was also evident when comparing the distribution of the AA-GA genotype in patients in the following categories: 1) premenopause and obesity I (OR = 3.5, 95%CI = 1.3-9.3, P = 0.008), 2) Her-2 neu and tumor stage I-II (OR = 2.5, 95%CI = 1.31-4.8, P = 0.004), 3) premenopause and tumor stage III-IV (OR = 1.7, 95%CI = 1.0-2.9, P = 0.034), 4) chemotherapy non-response and abnormal hematocrit (OR = 2.4, 95%CI = 1.2-4.8, P = 0.015), 5) body mass index and Her-2 neu and III-IV tumor stage (OR = 2.8, 95%CI = 1.2- 6.6, P = 0.016), and 6) nodule metastasis and K-I67 (OR = 4.0, 95%CI = 1.01-15.7, P = 0.038). We concluded that the genotypes AA-GA of the -308G>A polymorphism in TNF-α significantly contribute to breast cancer susceptibility in the analyzed sample from the Mexican population.
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Affiliation(s)
- L Gómez Flores-Ramos
- Laboratorio de Genética Molecular, División de Medicina Molecular, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, México
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16
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Gallegos-Arreola MP, Valencia-Rodríguez LE, Puebla-Pérez AM, Figuera LE, Zúñiga-González GM. The TP53 16-bp duplication polymorphism is enriched in endometriosis patients. Gynecol Obstet Invest 2012; 73:118-23. [PMID: 22353881 DOI: 10.1159/000330702] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2011] [Accepted: 06/15/2011] [Indexed: 11/19/2022]
Abstract
BACKGROUND/AIM The TP53 tumor suppressor gene encodes the nuclear phosphoprotein p53, which plays an important role in cell cycle regulation, apoptosis, DNA repair and angiogenesis. The TP53 gene contains common genetic polymorphisms that influence gene activity. Clinical implications of TP53 polymorphisms have been reported for several diseases, including a variety of solid tumors and endometriosis. We evaluated the association of a TP53 duplication polymorphism with endometriosis. METHODS We evaluated the role of the TP53 16-bp duplication polymorphism by comparing the genotypes of 204 healthy women (controls with surgically excluded endometriosis) to the genotypes of 151 women with endometriosis in the Mexican population. RESULTS The observed genotype frequencies for controls and endometriosis patients were 0.5 and 5% for 16 bp+/+, 11 and 21% for 16 bp+/-, and 88.5 and 77% for 16 bp-/-, respectively. The odds ratio (OR) was 9.8 (95% CI 1.2-446.8; p = 0.01). The association was more evident when we compared the distribution of genotype 16 bp+/+ to genotype 16 bp+/-. In patients with moderate/severe endometriosis, the OR was 4.0 (95% CI 1.6-9.8; p = 0.003). CONCLUSION Our data suggest that the 16-bp duplication polymorphism in TP53 contributes significantly to endometriosis susceptibility in the Mexican population.
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Affiliation(s)
- M P Gallegos-Arreola
- Laboratorios de Genética Molecular, Centro de Investigación Biomédica de Occidente, Guadalajara, México.
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17
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Gallegos-Arreola MP, Valdez Y, Zúñiga-Corona M, Figuera LE, Arnaud-López L, Robles-Cervantes JA, González-Ortiz M, Martínez-Abundis E, Puebla-Pérez AM, Zúñiga-González GM. Association between the Xba I polymorphism of APOB gene and plasma lipid level in Mexican patients with coronary artery disease. Asia Pac J Clin Nutr 2012; 21:312-318. [PMID: 22507620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Some studies, that consider polymorphisms of the apolipoprotein B (APOB) gene as risk factors for coronary artery disease (CAD), have reported discordant results. The aim of the present study was to search for associations between plasma lipid profiles with the DNA Xba I polymorphism of the APOB gene in CAD patients diagnosed by angiography (CAD+). In the present study we compared 114 Mexican patients (80 men and 34 women) with CAD+ and 132 control patients (59 men and 73 women) without evidence of ischemia or arterial damage (CAD-). The frequency of X+/X+ genotype of Xba I polymorphism, in CAD+ group, was 23% (26/114) compared with 8% (11/132) in the CAD- (OR 3.25, p = 0.002). The patients with X+/X+ for the Xba I genotype APOB gene had higher concentration of triglycerides (TG) and VLDL in plasma than CAD- (p< 0.05). The genotype X+/X+ in the CAD had an effect increasing the TG and VLDL plasma levels when compared with individuals with X-/X- and X-/X+ genotypes. The present study indicated that the X+X+ genotype of Xba I polymorphism is associated with CAD+ patients and high plasma levels of TG and VLDL, in the Mexican population.
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18
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Beltrán PK, Gutiérrez-Ortega A, Puebla-Pérez AM, Gutiérrez-Pabello JA, Flores-Valdez MA, Hernández-Gutiérrez R, Martínez-Velázquez M, Álvarez AH. Identification of immunodominant antigens of Mycobacterium bovis by expression library immunization. Vet J 2011; 190:181-3. [DOI: 10.1016/j.tvjl.2010.09.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2010] [Revised: 09/20/2010] [Accepted: 09/23/2010] [Indexed: 11/30/2022]
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19
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Gallegos-Arreola MP, Figuera LE, Ortiz GG, Jiménez-Gil FJ, Ramírez-Vega J, Ruíz-Sandoval JL, Puebla-Pérez AM, Troyo-Sanroman R, García-Ortiz JE, Sanchez-Corona J, Zúñiga-González GM. Apolipoprotein E genotypes in Mexican patients with Parkinson's disease. Dis Markers 2010; 27:225-30. [PMID: 20037210 PMCID: PMC3834675 DOI: 10.3233/dma-2009-0667] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Background: The association of the apolipoprotein (Apo E) -epsilon4 allele to neurodegenerative diseases such as
Parkinson’s disease (PD) has been analyzed in several studies. This association has been identified by amyloid deposits and
neurofibrillary tangles in the brains of patients with neurodegenerative diseases.
Method: In this study the possible relationship between Apo E alleles and PD patients was analyzed in 105 patients with PD and
107 healthy controls from a Mexican population.
Results: Allele analysis in PD vs. controls was: ε2 in 6% and 2.3%, respectively; ε3 in 73% and 88.3%; and ε4 in 21% and
9.4%. The ε3 allele showed a protective risk effect with an Odds ratio (OR) of 0.36 (95%CI 0.20-0.61) and p < 0.05; contrary
results were observed for the ε4 allele, which showed an increased risk for PD, with an OR of 2.57(95% CI 1.42-4.79) and p <
0.05. Upon multivariate analysis showed PD risk was evident in patients who were carriers of the genotype ε3/ε4; age group
(fifty or more years) and had exposure to pesticides and solvents (p < 0.05).
Conclusions: The ε3/ε3; ε3/ε4 genotypes of the Apo E, were positively associated with sporadic PD.
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20
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Gallegos-Arreola MP, García-Ortiz JE, Figuera LE, Puebla-Pérez AM, Morgan-Villela G, Zúñiga-González GM. Association of the 677C -->T polymorphism in the MTHFR gene with colorectal cancer in Mexican patients. Cancer Genomics Proteomics 2009; 6:183-188. [PMID: 19487547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023] Open
Abstract
The 5,10-methyl-tetrahydrofolate reductase (MTHFR) enzyme plays a critical role in folate and homocysteine metabolism, and its gene, MTHFR, displays common genetic polymorphisms that influence its activity. Clinical implications of MTHFR polymorphisms have been reported for several diseases, including a variety of solid tumors such as colorectal cancer (CRC). Here, the role of the 677C -->T polymorphism of MTHFR was evaluated by genotyping 369 patients and 170 healthy controls from the Mexican population. The observed genotype frequencies for the controls and patients, respectively, were: 18.8% and 32% for 677TT; 34.7% and 34% for 677CC; 46.4% and 34% for 677CT. The odds ratio (OR) was 2.0 (95% confidence intervals CI; 1.3-3.3) (p<0.05). The data suggested that the 677C -->T polymorphism in MTHFR contributes significantly to the risk of CRC susceptibility in the Mexican population.
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Affiliation(s)
- M P Gallegos-Arreola
- División de Medicina Molecular, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), Guadalajara, Jalisco, México.
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21
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Rosas-Arreguín P, Arteaga-Nieto P, Reynoso-Orozco R, Villagómez-Castro JC, Sabanero-López M, Puebla-Pérez AM, Calvo-Méndez C. Bursera fagaroides, effect of an ethanolic extract on ornithine decarboxylase (ODC) activity in vitro and on the growth of Entamoeba histolytica. Exp Parasitol 2008; 119:398-402. [PMID: 18501354 DOI: 10.1016/j.exppara.2008.04.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2007] [Revised: 04/01/2008] [Accepted: 04/04/2008] [Indexed: 10/22/2022]
Abstract
The effect of an ethanolic extract from the stem bark of Bursera fagaroides on ornithine decarboxylase (ODC) activity in vitro and on the growth of Entamoeba histolytica was evaluated. For this purpose, increasing concentrations of the extract, up to 8.0mg/mL, were added to amoeba cultures or ODC reaction mixtures, which were incubated at 37 degrees C. Metronidazole and G418 were added as controls. After 1.5 and 72 h, the ODC activity in vitro and growth, respectively, were determined. Results revealed a strong inhibition of growth with IC(50) values on the order of 0.05 mg/mL. ODC activity, on the other hand, was inhibited by 12% and 50% at concentrations of 4.0 and 8.0mg/mL, respectively.
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Affiliation(s)
- Paulina Rosas-Arreguín
- Instituto de Investigación en Biología Experimental, Facultad de Química, Universidad de Guanajuato, Apartado Postal No. 187, Guanajuato, Gto. 36000, México
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Gallegos-Arreola MP, Figuera-Villanueva LE, Troyo-Sanroman R, Morgán-Villela G, Puebla-Pérez AM, Flores-Marquez MR, Zúniga-González GM. CYP1A1 *2B and *4 polymorphisms are associated with lung cancer susceptibility in Mexican patients. Int J Biol Markers 2008; 23:24-30. [PMID: 18409147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
BACKGROUND CYP1A1 is a gene involved in the high aryl hydrocarbon hydroxylase -inducible phenotype, which is a genetically-determined variation among individuals that has been associated with lung cancer risk. More specifically, CYP1A1 *2B and *4 polymorphisms have been associated with high susceptibility to lung cancer among cigarette smokers. MATERIALS AND METHODS DNA was obtained from blood samples and we studied by PCR-RFLP the distribution of CYP1A1 *2B (n=248) and *4 (n=222) polymorphisms in healthy controls and 222 lung cancer patients from a Mexican population. RESULTS Comparisons between groups showed an increased risk for lung cancer patients of *2B/*2B (18%; OR 7.6; 95% CI 3.0-19.2) and *4/ *4 genotypes (15%; OR 11.45; 95% CI 2.19-59.85) compared to the control group (1% for *2B/ *2B and 4.4% for *4/ *4). A significant association between lung cancer and homozygous *2B/ *2B passive smokers and *4/*4 ever (cigarettes) and passive smokers was also observed (p<0.05). Multivariate analysis revealed an increased risk for the *2B/*2B genotype (OR 6.83), as well as for *4/*4 (OR 28.8). CONCLUSION The results of the study indicate a significant association between *2B/*2B and *4/*4 genotypes and the risk of developing lung cancer among Mexicans.
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Affiliation(s)
- M P Gallegos-Arreola
- Molecular Genetics Laboratory, Division of Molecular Medicine, Centro de Investigación Biomédica de Occidente, Guadalajara, Jalisco - Mexico.
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Gallegos-Arreola MP, Figuera LE, Delgado JL, Puebla-Pérez AM, Zúñiga-González GM. The MTHFR polymorphism C677T in adult patients with acute lymphoblastic leukemia is associated with an increased prevalence of cytogenetic abnormalities. Blood Cells Mol Dis 2007; 40:244-5. [PMID: 17962051 DOI: 10.1016/j.bcmd.2007.09.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2007] [Revised: 09/14/2007] [Accepted: 09/14/2007] [Indexed: 11/24/2022]
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Gallegos-Arreola MP, Batista-González CM, Delgado-Lamas JL, Figuera LE, Puebla-Pérez AM, Arnaud-López L, Peralta-Leal V, Ramírez-Jirano LJ, Zúñiga-González GM. Cytochrome P4501A1 polymorphism is associated with susceptibility to acute lymphoblastic leukemia in adult Mexican patients. Blood Cells Mol Dis 2004; 33:326-9. [PMID: 15528152 DOI: 10.1016/j.bcmd.2004.07.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 07/02/2004] [Indexed: 11/23/2022]
Abstract
We studied the role of cytochrome P4501A1 (CYP1A1 Val/Val) genotypes in the etiology of acute lymphoblastic leukemia (ALL) in adult Mexican patients. Distributions of CYP1A1 Val/Val genotypes in peripheral blood DNA samples from 136 healthy controls and 136 adult patients with ALL were evaluated. There was an increased frequency of the CYP1A1 Val/Val genotype among ALL patients, showing a significant association between this genotype and the risk of developing ALL.
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Affiliation(s)
- M P Gallegos-Arreola
- División de Medicina Molecular, Centro de Investigación Biomédica de Occidente, Guadalajara, Jalisco, México.
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Schmeda-Hirschmann G, Villaseñor-García MM, Lozoya X, Puebla-Pérez AM. Immunomodulatory activity of Chilean Cyttaria species in mice with L5178Y lymphoma. J Ethnopharmacol 2001; 77:253-257. [PMID: 11535372 DOI: 10.1016/s0378-8741(01)00284-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The immunomodulatory effect of hydrosoluble extracts of four Chilean Cyttaria species (Discomycetes, Fungi) was assessed in mice with L5178Y lymphoma. Oral administration of 100 mg extract per day for 7 days enhanced the percentual phagocytosis and phagocytosis index in animals receiving Cyttaria berteroi, Cyttaria darwinii, Cyttaria espinosae and Cyttaria harioti extracts. Differences in the digestion index were observed in mice treated with C. darwinii and C. berteroi. In the delayed-type hypersensitivity model, only C. harioti was able to modify the immune response. The results suggest that intake of Cyttaria can improve the immune system of consumers.
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Affiliation(s)
- G Schmeda-Hirschmann
- Laboratorio de Química de Productos Naturales, Instituto de Química de Recursos Naturales, Universidad de Talca, Casilla 747, Talca, Chile.
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Villaseñor-García MM, Lozoya X, Puebla-Pérez AM. An experimental model of stress-induced immunosuppression produced by electrical stimulation of the brain in the rat. J Neuroimmunol 2001; 114:35-9. [PMID: 11240013 DOI: 10.1016/s0165-5728(00)00458-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The present paper reports a model of stress induction, based on electrical stimulation of the brain in normal Wistar rats. Stress-related stimulation of the hypothalamic-pituitary-adrenal axis produced a rise in circulating corticosterone levels that correlated significantly with the impairment of some immunological parameters, such as delayed hypersensitivity reactions to dinitrofluorobenzene and to sheep red blood cells, together with changes in splenocyte proliferation and phagocytic activity of peritoneal macrophages. This experimentally elicited stress in the rat is proposed as a suitable model of immunosuppression that could be used for the evaluation of drugs with potential immunomodulatory properties.
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Affiliation(s)
- M M Villaseñor-García
- Centro de Investigación Biomédica de Occidente, IMSS, Sierra Mojada No 800, Colonia Independencia SL, 44340 Guadalajara, Jalisco, Mexico.
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Villaseñor-García MM, Puebla-Pérez AM, Sandoval-Ramírez L, Lozoya X. Phenytoin and electric shock-induced apoptosis in rat peripheral blood lymphocytes. Int J Immunopharmacol 2000; 22:143-50. [PMID: 10684998 DOI: 10.1016/s0192-0561(99)00069-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The apoptotic index (AI) of peripheral blood lymphocytes (PBL) and plasma corticosterone (CS) levels were determined in Wistar rats treated with phenytoin (PHT) at therapeutic and toxic doses (100 or 200 mg/kg/day, respectively, over a period of 7 days) and stressed by bifrontal electric shock (60 Hz/40 mA/0.2 seg). The values of CS and AI were found to be significantly higher in rats submitted to electric shock (ES) and in rats treated with therapeutic and toxic doses of PHT plus ES, than in rats treated only with PHT (P<0.001). The plasma concentrations of PHT were found to be significantly higher in rats treated with toxic doses than in those treated with therapeutic doses (P<0.001), while the control group (without treatment) and vehicle group (propilenglycol-ethanol-water, 40:10:50), showed low levels of CS, and less than 1% of AI. The DNA analysis by electrophoresis in agarose in all the groups was positive, displaying the ladder pattern characteristic of apoptotic process (200 bp), except in the control groups (no treatment and vehicle treated). Our results demonstrate that chronic stress, caused by ES, produces an elevation of CS. The values of apoptosis were correlated with the CS levels, suggesting that the apoptotic inductor process is a consequence of an increase in the concentration of corticosterone in plasma, in response to the hypothalamic-pituitary-adrenals (HPA) axis activation, while phenytoin at therapeutic doses is only a moderate apoptosis inductor.
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Affiliation(s)
- M M Villaseñor-García
- Mexican Institute Social Security (IMSS) Immunopharmacology of Naturals Products Laboratory, Biomedical Research Centre in West Area, Guadalajara, Jalisco, Mexico.
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Trejo-González A, Gabriel-Ortiz G, Puebla-Pérez AM, Huízar-Contreras MD, Munguía-Mazariegos MR, Mejía-Arreguín S, Calva E. A purified extract from prickly pear cactus (Opuntia fuliginosa) controls experimentally induced diabetes in rats. J Ethnopharmacol 1996; 55:27-33. [PMID: 9121164 DOI: 10.1016/s0378-8741(96)01467-5] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
The hypoglycemic activity of a purified extract from prickly pear cactus (Opuntia fuliginosa) was evaluated on STZ-induced diabetic rats. Blood glucose and glycated hemoglobin levels were reduced to normal values by a combined treatment of insulin and Opuntia extract. When insulin was withdrawn from the combined treatment, the prickly pear extract alone maintained normoglycemic state in the diabetic rats. The blood glucose response to administered glucose also showed that the rats receiving the combination treatment of insulin and Opuntia extract for 7 weeks followed by Opuntia extract alone were capable of rapidly returning blood glucose to the levels of the nondiabetic rats. Although the mechanism of action is unknown, the magnitude of the glucose control by the small amount of Opuntia extract required (1 mg/kg body weight per day) preclude a predominant role for dietary fiber. These very encouraging results for diabetes control by the purified extract of this Opuntia cactus make the need for clinical studies in humans evident.
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Affiliation(s)
- A Trejo-González
- Department of Biotechnology, CIIDIR-IPN, Jiquilpan, Michoacan, Mexico
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Bravo-Cuéllar A, Martín-Ruíz JL, Ramos-Pineda R, Puebla-Pérez AM, Leal-Delgadillo A, Liu XH, Orbach-Arbouys S. [Increase of proliferative and cytotoxic responses to alloantigenic stimulation of mouse spleen cells treated with aclacinomycin]. Arch Invest Med (Mex) 1990; 21:331-7. [PMID: 1669222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Aclacinomycin (ACM) is an oncostatic substance on the family of the Anthracyclines, with a proven activity in human and rodents. Splenic cells from C57BL/6 ACM injected mice by intraperitoneal or intravenous route four days before their sacrifice showed a significant increase in the proliferative and cytotoxic response respectively measured by incorporation of 3H-TdR and by the liberation of 51Cr when stimulated in vitro with irradiated mouse DBA/2 splenic cells. This response is doses dependent, and one can clearly observe different effects on the proliferative and cytotoxic responses at high doses. The cultures supernatants of splenic cells from mice treated with ACM during allogeneic stimulation showed a greater activity to induce the proliferation of a line of T cytotoxic cells dependent on Interleukin-2. Finally, the cytotoxic activity of splenic cells induced by the allogeneic stimulation in vitro, of mice treated with ACM, was found in a subpopulation of cells non adherent to plastic, mainly made up of lymphocytes.
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Affiliation(s)
- A Bravo-Cuéllar
- Unidad de Inv. Biomédica de Occidente, IMSS, Guadalajara, Jal., México
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Abstract
Prolonged exposure to hyperoxia in order to compensate for inefficient ventilation can lead to progressive pulmonary damage and death. Since pulmonary macrophages control bacterial and viral penetration, we studied the effect of hyperoxia on pulmonary alveolar macrophages from newborn and adult rats, kept in air or in a 95% normobaric oxygen atmosphere. The viability of pulmonary alveolar macrophages in bronchoalveolar lavages of newborn rats after 3 d in oxygen was significantly lower than that of newborn rats after 3 days in air. The functional capacity, as measured by the phagocytosis of Candida was similarly affected and these observations mays explain why infections develop. Adult rat macrophages were not sensitive to hyperoxia.
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Affiliation(s)
- A Bravo-Cuellar
- Unidad de Investigacion Biomedica de Occidente, IMSS, Guadalajara, Mexico
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Gómez-Estrada H, Puebla-Pérez AM, Pimentel-Espinosa A. Intrahepatic transfusion. Arch Invest Med (Mex) 1985; 16:269-73. [PMID: 3833094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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32
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Vázquez-Escobosa C, Puebla-Pérez AM, Gómez-Estrada H. [Myeloperoxidase deficiency in polymorphonuclear cells of children with recurrent infections]. Bol Med Hosp Infant Mex 1984; 41:614-6. [PMID: 6097283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
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Gómez-Estrada H, Hernández-Delgado J, Puebla-Pérez AM. Increased myeloperoxidase activity of polymorphonuclear leukocytes after splenectomy in BALB/C mice. Arch Invest Med (Mex) 1984; 15:67-71. [PMID: 6089687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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34
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Vázquez-Escobosa C, Puebla-Pérez AM, Blancarte-Arias R, Gómez-Estrada H. Myeloperoxidase activity of polymorphonuclear leukocytes from premature children. Arch Invest Med (Mex) 1984; 15:73-7. [PMID: 6089688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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