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Article ; Online: Effect of cadmium administration on the antioxidant system and neuronal death in the hippocampus of rats.

Treviño, Samuel / Pulido, Guadalupe / Fuentes, Estefania / Handal-Silva, Anabella / Moreno-Rodríguez, Albino / Venegas, Berenice / Flores, Gonzalo / Guevara, Jorge / Díaz, Alfonso

Synapse (New York, N.Y.)

2022 Volume 76, Issue 9-10, Page(s) 1–16

Abstract: Cadmium (Cd) is a heavy metal classified as a carcinogen whose exposure could affect the function of the central nervous system. Studies suggest that Cd modifies neuronal morphology in the hippocampus and affects cognitive tasks. The oxidative stress ... ...

Abstract	Cadmium (Cd) is a heavy metal classified as a carcinogen whose exposure could affect the function of the central nervous system. Studies suggest that Cd modifies neuronal morphology in the hippocampus and affects cognitive tasks. The oxidative stress pathway is proposed as a mechanism of toxicity. However, this mechanism is not precise yet. This study aimed to evaluate the effect of Cd administration on oxidative stress markers in the male rat's hippocampus. Male Wistar rats were divided into (1) control (drinking water) and (2) treatment with Cd (32.5 ppm of cadmium chloride (CdCl
MeSH term(s)	Animals ; Antioxidants/pharmacology ; Cadmium/metabolism ; Cadmium/toxicity ; Cadmium Chloride/metabolism ; Cadmium Chloride/toxicity ; Hippocampus/metabolism ; Humans ; Lipid Peroxidation ; Male ; Oxidative Stress ; Quality of Life ; Rats ; Rats, Wistar
Chemical Substances	Antioxidants ; Cadmium (00BH33GNGH) ; Cadmium Chloride (J6K4F9V3BA)
Language	English
Publishing date	2022-06-23
Publishing country	United States
Document type	Journal Article
ZDB-ID	639061-4
ISSN	1098-2396 ; 0885-8276 ; 0887-4476
ISSN (online)	1098-2396
ISSN	0885-8276 ; 0887-4476
DOI	10.1002/syn.22242
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Book: Tópicos selectos de toxicología de la reproducción

Handal Silva, Anabella

2009

Author's details	Anabella Handal Silva, Carolina Morán Raya, coordinadoras
MeSH term(s)	Lead Poisoning/complications ; Reproduction/drug effects
Language	Spanish ; English
Size	153 pages :, illustrations
Edition	Primera edición.
Document type	Book
Note	Text in Spanish; one chapter in English.
ISBN	9786074870473 ; 6074870470
Database	Catalogue of the US National Library of Medicine (NLM)

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Article: Coliform bacteria in San Pedro Lake, western Mexico

Ramos‐Ramírez, Lesset del Consuelo / Romero‐Bañuelos, Carlos Alberto / Jiménez‐Ruíz, Edgar Iván / Palomino‐Hermosillo, Yolotzin Apatzingan / Saldaña‐Ahuactzi, Zeus / Martínez‐Laguna, Ygnacio / Handal‐Silva, Anabella / Castañeda‐Roldán, Elsa Iracena

Water environment research. 2021 Mar., v. 93, no. 3

2021

Abstract: Urbanization, livestock activities, and rainfall are factors that contribute to the contamination of inland water. This study aimed to determine the spatial and temporal variability of total coliforms (TCs) and fecal coliforms (FCs) in the surface water ... ...

Abstract	Urbanization, livestock activities, and rainfall are factors that contribute to the contamination of inland water. This study aimed to determine the spatial and temporal variability of total coliforms (TCs) and fecal coliforms (FCs) in the surface water of San Pedro Lake as well as the gills and skin of Nile tilapia (Oreochromis niloticus) cultivated in the lake. The study consisted of seasonal sampling during an annual cycle. Using the multiple‐tube fermentation technique, we quantified the microbial load of TCs in the lake and fish. The median of the TC and FC groups in surface water showed differences during the seasonal cycle, in which a significant correlation was observed between rainfall and bacterial load in the lake surface water. There was a significant seasonal difference between FCs and TCs in the gills as well as in skin FCs. Anthropogenic activities in the watershed combined with rainfall influence the bacterial load of San Pedro Lake. However, the water quality is still classified as excellent and uncontaminated according to Mexican regulations with lower FC values acceptable for higher FC values. In addition, the bacterial load in tilapia from San Pedro Lake does not pose a risk to human health. PRACTITIONER POINTS: Watershed livestock activities combined with rainfall increase fecal matter pollution in specific areas of the lake. San Pedro Lake displays satisfactory quality for aquatic life. The median fecal coliform population in lake fish (gills and skin) differs by season.
Keywords	Oreochromis niloticus ; coliform bacteria ; environment ; fecal bacteria ; feces ; fermentation ; fish ; human health ; lakes ; livestock ; microbial load ; pollution ; rain ; research ; risk ; seasonal variation ; surface water ; urbanization ; water quality ; watersheds ; Mexico
Language	English
Dates of publication	2021-03
Size	p. 384-392.
Publishing place	John Wiley & Sons, Ltd
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	1098976-6
ISSN	1554-7531 ; 1047-7624 ; 1061-4303
ISSN (online)	1554-7531
ISSN	1047-7624 ; 1061-4303
DOI	10.1002/wer.1423
Database	NAL-Catalogue (AGRICOLA)

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Article: Evaluation of Health Risks Due to Heavy Metals in a Rural Population Exposed to Atoyac River Pollution in Puebla, Mexico

Pérez Castresana, Gabriela / Castañeda Roldán, Elsa / Cruz Montalvo, Abel / García Suastegui, Wendy A / Handal Silva, Anabella / Morán Perales, José L

Water. 2019 Feb. 05, v. 11, no. 2

2019

Abstract: The health risks of Emilio Portes Gil’s population, for the exposition to the Atoyac River pollution in the State of Puebla, was evaluated. The objective was to determine the concentration of nine heavy metals by ingesting water from wells and spri ngs. ... ...

Abstract	The health risks of Emilio Portes Gil’s population, for the exposition to the Atoyac River pollution in the State of Puebla, was evaluated. The objective was to determine the concentration of nine heavy metals by ingesting water from wells and spri ngs. The chronic daily water intake (CDI), hazard quotient (HQ), hazard index (HI), and carcinogenic risk index (CRI) in adults, teenagers, and children were estimated. The results showed that the concentration of Fe, Al, Ni, and Pb in some of the samples exceeded the recommended standards for human consumption and was significantly higher in the dry season. The hazard index (HI), due to the collective intake of metals, was higher in children (>50% compared to adults), due to the consumption of spring water in the dry season. Risk of noncancerous diseases was not detected in the long term, since the indices did not exceed the unit (reference value). The carcinogenic risk from oral exposure to Cr (CRI<inf>children</inf> = 3.2 × 10−4), was greater than the acceptable limit (1 × 10−6) in the water spring, and Cr and Pb were the main metals that contributed to the potential health risk of the inhabitants. The study showed the risks by the intake of polluted water from the sources of supply in the region, and that the risk is higher in the dry season (>100% compared with rainy season).
Keywords	adolescents ; adults ; aluminum ; carcinogenicity ; children ; chromium ; dry season ; heavy metals ; humans ; iron ; lead ; nickel ; oral exposure ; risk ; rivers ; rural population ; water pollution ; wells ; wet season ; Mexico
Language	English
Dates of publication	2019-0205
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article
ZDB-ID	2521238-2
ISSN	2073-4441
ISSN	2073-4441
DOI	10.3390/w11020277
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Effects of metformin on recognition memory and hippocampal neuroplasticity in rats with metabolic syndrome.

Muñoz-Arenas, Guadalupe / Pulido, Guadalupe / Treviño, Samuel / Vázquez-Roque, Rubén / Flores, Gonzalo / Moran, Carolina / Handal-Silva, Anabella / Guevara, Jorge / Venegas, Berenice / Díaz, Alfonso

Synapse (New York, N.Y.)

2020 Volume 74, Issue 9, Page(s) e22153

Abstract: Metabolic syndrome (MS) is a health problem that is characterized by body fat accumulation, hypertension, dyslipidemia, and hyperglycemia; recently, it has been demonstrated that MS also damages memory processes. The first-line drug in the treatment of ... ...

Abstract	Metabolic syndrome (MS) is a health problem that is characterized by body fat accumulation, hypertension, dyslipidemia, and hyperglycemia; recently, it has been demonstrated that MS also damages memory processes. The first-line drug in the treatment of MS and type 2 diabetes mellitus is metformin, which is an antihyperglycemic agent. This drug has been shown to produce neuroprotection and to improve memory processes. However, the mechanism involved in this neuroprotection is unknown. A 90-day administration of metformin improved the cognitive processes of rats with MS as evaluated by the novel object recognition test, and this finding could be explained by an increase in the neuronal spine density and spine length. We also found that metformin increased the immunoreactivity of synaptophysin, sirtuin-1, AMP-activated protein kinase, and brain-derived neuronal factor, which are important plasticity markers. We conclude that metformin is an important therapeutic agent that increases neural plasticity and protects cognitive processes. The use of this drug is important in the minimization of the damage caused by MS.
MeSH term(s)	Animals ; Brain-Derived Neurotrophic Factor/metabolism ; Hippocampus/drug effects ; Hippocampus/metabolism ; Hippocampus/physiology ; Hypoglycemic Agents/administration & dosage ; Hypoglycemic Agents/pharmacology ; Hypoglycemic Agents/therapeutic use ; Male ; Metabolic Syndrome/drug therapy ; Metabolic Syndrome/metabolism ; Metabolic Syndrome/physiopathology ; Metformin/administration & dosage ; Metformin/pharmacology ; Metformin/therapeutic use ; Neuronal Plasticity ; Neuroprotective Agents/administration & dosage ; Neuroprotective Agents/pharmacology ; Neuroprotective Agents/therapeutic use ; Protein Kinases/metabolism ; Rats ; Rats, Wistar ; Recognition, Psychology ; Sirtuin 1/metabolism ; Synaptophysin/metabolism
Chemical Substances	Brain-Derived Neurotrophic Factor ; Hypoglycemic Agents ; Neuroprotective Agents ; Synaptophysin ; Metformin (9100L32L2N) ; Protein Kinases (EC 2.7.-) ; AMP-activated protein kinase kinase (EC 2.7.1.-) ; Sirtuin 1 (EC 3.5.1.-)
Language	English
Publishing date	2020-04-06
Publishing country	United States
Document type	Journal Article
ZDB-ID	639061-4
ISSN	1098-2396 ; 0885-8276 ; 0887-4476
ISSN (online)	1098-2396
ISSN	0885-8276 ; 0887-4476
DOI	10.1002/syn.22153
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Article ; Online: Coliform bacteria in San Pedro Lake, western Mexico.

Ramos-Ramírez, Lesset Del Consuelo / Romero-Bañuelos, Carlos Alberto / Jiménez-Ruíz, Edgar Iván / Palomino-Hermosillo, Yolotzin Apatzingan / Saldaña-Ahuactzi, Zeus / Martínez-Laguna, Ygnacio / Handal-Silva, Anabella / Castañeda-Roldán, Elsa Iracena

Water environment research : a research publication of the Water Environment Federation

2020 Volume 93, Issue 3, Page(s) 384–392

Abstract	Urbanization, livestock activities, and rainfall are factors that contribute to the contamination of inland water. This study aimed to determine the spatial and temporal variability of total coliforms (TCs) and fecal coliforms (FCs) in the surface water of San Pedro Lake as well as the gills and skin of Nile tilapia (Oreochromis niloticus) cultivated in the lake. The study consisted of seasonal sampling during an annual cycle. Using the multiple-tube fermentation technique, we quantified the microbial load of TCs in the lake and fish. The median of the TC and FC groups in surface water showed differences during the seasonal cycle, in which a significant correlation was observed between rainfall and bacterial load in the lake surface water. There was a significant seasonal difference between FCs and TCs in the gills as well as in skin FCs. Anthropogenic activities in the watershed combined with rainfall influence the bacterial load of San Pedro Lake. However, the water quality is still classified as excellent and uncontaminated according to Mexican regulations with lower FC values acceptable for higher FC values. In addition, the bacterial load in tilapia from San Pedro Lake does not pose a risk to human health. PRACTITIONER POINTS: Watershed livestock activities combined with rainfall increase fecal matter pollution in specific areas of the lake. San Pedro Lake displays satisfactory quality for aquatic life. The median fecal coliform population in lake fish (gills and skin) differs by season.
MeSH term(s)	Animals ; Bacteria ; Environmental Monitoring ; Gills ; Humans ; Lakes ; Mexico ; Water Microbiology
Language	English
Publishing date	2020-09-03
Publishing country	United States
Document type	Journal Article
ZDB-ID	1098976-6
ISSN	1554-7531 ; 1047-7624 ; 1061-4303
ISSN (online)	1554-7531
ISSN	1047-7624 ; 1061-4303
DOI	10.1002/wer.1423
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Atoyac River Pollution in the Metropolitan Area of Puebla, México

Pérez Castresana, Gabriela / Castelán Vega, Rosalía / Díaz Fonseca, Alfonso / García Suastegui, Wendy Argelia / Handal Silva, Anabella / Hernández Aldana, Fernando / López Reyes, Lucía / Morán Perales, José Luis / Tamariz Flores, Víctor

Water. 2018 Mar. 04, v. 10, no. 3

2018

Abstract: The Atoyac River crosses the metropolitan area of Puebla-Tlaxcala in Mexico and presents a state of pollution that has been scarcely studied. In 2016, the water quality of the river was evaluated based on physicochemical and bacteriological parameters, ... ...

Abstract	The Atoyac River crosses the metropolitan area of Puebla-Tlaxcala in Mexico and presents a state of pollution that has been scarcely studied. In 2016, the water quality of the river was evaluated based on physicochemical and bacteriological parameters, under the guidelines established for the Maximum Permissible Limit (MPL) for Aquatic Life Protection (ALP) and Agricultural Irrigation (AI). The sampling sites were the Covadonga Dam, the Echeverría Dam, and an irrigation canal. Water from wells and a spring in the Emilio Portes Gil (EPG) population that uses Atoyac water for agricultural irrigation was also analyzed. The data obtained from the river were compared with the 2011 data published in the declaration of classification of Atoyac and Xochiac or Hueyapan and its tributaries. There was a notable increase in hemical oxygen demand (COD) (49%) and in heavy metals with varying percentages. The anoxic condition of the river (mean 1.47 mg of O<inf>2</inf>/L) with large populations of coliform bacteria was demonstrated, 11 pathogenic members of the Enterobacteriaceae were found, and high organic pollution concentrations were shown, particularly during droughts. Irrigation and well water was contaminated with fecal bacteria (104–549 NMP/100 mL), which included pathogens.
Keywords	aquatic organisms ; coliform bacteria ; drought ; Enterobacteriaceae ; fecal bacteria ; guidelines ; heavy metals ; irrigated farming ; irrigation ; irrigation canals ; metropolitan areas ; oxygen ; pathogens ; pollution ; rivers ; springs (water) ; water quality ; well water ; wells ; Mexico
Language	English
Dates of publication	2018-0304
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article
ZDB-ID	2521238-2
ISSN	2073-4441
ISSN	2073-4441
DOI	10.3390/w10030267
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Metabolic syndrome causes recognition impairments and reduced hippocampal neuronal plasticity in rats.

Treviño, Samuel / Vázquez-Roque, Rubén A / López-López, Gustavo / Perez-Cruz, Claudia / Moran, Carolina / Handal-Silva, Anabella / González-Vergara, Enrique / Flores, Gonzalo / Guevara, Jorge / Díaz, Alfonso

Journal of chemical neuroanatomy

2017 Volume 82, Page(s) 65–75

Abstract: Metabolic syndrome (MS) is a serious public health problem, which can promote neuronal alterations in cognitive regions related to learning and memory processes, such as the hippocampus. However, up to now there has been information of a regional ... ...

Abstract	Metabolic syndrome (MS) is a serious public health problem, which can promote neuronal alterations in cognitive regions related to learning and memory processes, such as the hippocampus. However, up to now there has been information of a regional segregation of this damage. In this study, we evaluate the MS effect on the neuronal morphology of the hippocampus. Our results demonstrate that 90days of a high-calorie diet alters the metabolic energy markers causing the MS and causes memory impairments, evaluated by the recognition of novel objects test (NORT). In addition, MS animals showed significant differences in dendritic order, total dendritic length and density of dendritic spines in CA1, CA3 and the dentate gyrus (DG) of the hippocampal area, compared with rats fed with a normocaloric diet (vehicle group). Furthermore, the immunoreactivity to synaptophysin (Syp) decreased in the hippocampus of the MS animals compared to the vehicle group. These results indicate that metabolic alterations induced by the MS affect hippocampal plasticity and hippocampal dependent memory processes.
Language	English
Publishing date	2017-07
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	639443-7
ISSN	1873-6300 ; 0891-0618
ISSN (online)	1873-6300
ISSN	0891-0618
DOI	10.1016/j.jchemneu.2017.02.007
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Article ; Online: Energy Drink Administration in Combination with Alcohol Causes an Inflammatory Response and Oxidative Stress in the Hippocampus and Temporal Cortex of Rats.

Díaz, Alfonso / Treviño, Samuel / Guevara, Jorge / Muñoz-Arenas, Guadalupe / Brambila, Eduardo / Espinosa, Blanca / Moreno-Rodríguez, Albino / Lopez-Lopez, Gustavo / Peña-Rosas, Ulises / Venegas, Berenice / Handal-Silva, Anabella / Morán-Perales, José Luis / Flores, Gonzalo / Aguilar-Alonso, Patricia

Oxidative medicine and cellular longevity

2016 Volume 2016, Page(s) 8725354

Abstract: Energy drinks (EDs) are often consumed in combination with alcohol because they reduce the depressant effects of alcohol. However, different researches suggest that chronic use of these psychoactive substances in combination with alcohol can trigger an ... ...

Abstract	Energy drinks (EDs) are often consumed in combination with alcohol because they reduce the depressant effects of alcohol. However, different researches suggest that chronic use of these psychoactive substances in combination with alcohol can trigger an oxidative and inflammatory response. These processes are regulated by both a reactive astrogliosis and an increase of proinflammatory cytokines such as IL-1β, TNF-α, and iNOS, causing cell death (apoptosis) at the central and peripheral nervous systems. Currently, mechanisms of toxicity caused by mixing alcohol and ED in the brain are not well known. In this study, we evaluated the effect of chronic alcohol consumption in combination with ED on inflammatory response and oxidative stress in the temporal cortex (TCx) and hippocampus (Hp) of adult rats (90 days old). Our results demonstrated that consuming a mixture of alcohol and ED for 60 days induced an increase in reactive gliosis, IL-1β, TNF-α, iNOS, reactive oxygen species, lipid peroxidation, and nitric oxide, in the TCx and Hp. We also found immunoreactivity to caspase-3 and a decrease of synaptophysin in the same brain regions. The results suggested that chronic consumption of alcohol in combination with ED causes an inflammatory response and oxidative stress, which induced cell death via apoptosis in the TCx and Hp of the adult rats.
MeSH term(s)	Animals ; Caspase 3/metabolism ; Cytokines/metabolism ; Energy Drinks/adverse effects ; Ethanol/adverse effects ; Ethanol/blood ; Glial Fibrillary Acidic Protein/metabolism ; Hippocampus/pathology ; Inflammation/pathology ; Inflammation Mediators/metabolism ; Male ; Nitric Oxide/metabolism ; Nitric Oxide Synthase Type II/metabolism ; Oxidative Stress/drug effects ; Rats, Wistar ; Synaptophysin/metabolism ; Temporal Lobe/pathology
Chemical Substances	Cytokines ; Glial Fibrillary Acidic Protein ; Inflammation Mediators ; Synaptophysin ; Nitric Oxide (31C4KY9ESH) ; Ethanol (3K9958V90M) ; Nitric Oxide Synthase Type II (EC 1.14.13.39) ; Caspase 3 (EC 3.4.22.-)
Language	English
Publishing date	2016
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ISSN	1942-0994
ISSN (online)	1942-0994
DOI	10.1155/2016/8725354
Database	MEDical Literature Analysis and Retrieval System OnLINE

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