G. B. Mahecha

Publications29
h-index11
Citations400
Highly Influential Citations22
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Changes in testicular morphology and steroidogenesis in adult rats exposed to Atrazine.
Atrazine is an herbicide considered as a potent endocrine disruptor, causing adverse effects on both gender of mammalian and non-mammalian species. Despite the known adverse effects of Atrazine,… Expand
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Differential expression and seasonal variation on aquaporins 1 and 9 in the male genital system of big fruit-eating bat Artibeus lituratus.
Efferent ductules and epididymis are involved in water and solute transport, which is indispensable for storage and maintenance of the sperm viability. The reabsorption process involves proteins such… Expand
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Pampatherium Paulacoutoi, uma nova espécie de tatu gigante da Bahia, Brasil (Ledentata, Dasypodidae)
The «Gruta das Oncas», a cave situated in the Caatinga do Moura district, municipulity of Jacobina, Bahia State, has been a rich source of fossils (Cartelle & Bohorquez, 1982 and Cartelle, 1983). In… Expand
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Comedolytic effect and reduced skin irritation of a new formulation of all-trans retinoic acid-loaded solid lipid nanoparticles for topical treatment of acne
Novel drug delivery systems, such as solid lipid nanoparticles (SLN), have been proposed to reduce retinoic acid (RA)-induced skin irritation. However, one question still remains: could it be… Expand
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Differential hormonal regulation of estrogen receptors ERalpha and ERbeta and androgen receptor expression in rat efferent ductules.
Estrogen receptors, in addition to the androgen receptor (AR), are expressed at high levels in efferent ductules of the male reproductive tract and it is now well recognized that estrogen receptor… Expand
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Distribution of estrogen receptors (ERalpha and ERbeta) and androgen receptor in the testis of big fruit-eating bat Artibeus lituratus is cell- and stage-specific and increases during gonadal…
The testis is a classical target for androgens, especially testosterone, acting via androgen receptor (AR). Alternatively, androgens can be aromatized to produce estrogens which act via specific… Expand
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Comparative expression of androgen receptor in the testis and epididymal region of roosters (Gallus domesticus) and drakes (Anas platyrhynchos).
The androgen receptor (AR) mediates the physiological actions of androgens, which play a crucial role in the maintenance of male reproductive function and fertility. Although the AR distribution… Expand
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Changes in Estrogen Receptor ERβ (ESR2) Expression without Changes in the Estradiol Levels in the Prostate of Aging Rats
Although the prostate is androgen-dependent, it is also influenced by estrogens, which act via the estrogen receptors ERα and ERβ. In the prostate, ERβ is highly expressed in the epithelium and… Expand
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Occurrence and cellular distribution of estrogen receptors ERα and ERβ in the testis and epididymal region of roosters.
Estrogen signaling is required for the maintenance of male reproductive function and is mediated by the estrogen receptors ERα and ERβ. These receptors are widely distributed in mammalian… Expand
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Profile of cell proliferation and apoptosis activated by the intrinsic and extrinsic pathways in the prostate of aging rats
Estrogens acting through the receptors ERα and ERβ participate in prostate normal growth and cancer. ERβ is highly expressed in the prostate epithelium, playing pro‐apoptotic, anti‐proliferative, and… Expand
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