Histopathology of the Harderian gland of rodents exposed to ELF magnetic fields

Picazo, M. L.; Catalá, M.D.; Bardasano, J. L.

doi:10.1016/0302-4598(93)80079-a

Cited by 6 publications

(3 citation statements)

References 5 publications

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“…Extrapineal melatonin-producing organs, such as the intestine, retina, the Harderian gland, etc., also show sensitivity to ELF magnetic fields (18,19).…”

Section: Introductionmentioning

confidence: 94%

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Inhibition of Melatonin in the Plasma of Third-Generation Male Mice under the Action of ELF Magnetic Fields

Picazo

Catalá

Romo³

et al. 1998

Electro- and Magnetobiology

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2 3 4 ABSTRACTThe pineal gland has been considered a magnetic receptor organ that regulates circadian rhythms by means of the secretion of melatonin, a potent oncostatic agent that prevents the initiation and promotion of cancer. ELF electromagnetic radiation, similar to that generated by power lines, can alter melatonin plasma levels.To study this effect, 4 OF1 mice generations have been reared subjected to a lifelong 15 pT, 50 Hz magnetic field action. This magnetic field was generated inside a Helmholtz coil system. The concentration of melatonin in the blood has been determined on 40 male mice of the third generation by means of RIA, as they reached sexual maturity (3 months). Electromagn Biol Med Downloaded from informahealthcare.com by ThULB Jena on 11/17/14For personal use only. 76 PICAZO E T AL.A radical decrease, more remarkable at night, of the melatonin plasma levels and the loss of the night-day secretion rhythm was observed in the experimental group. These results could be the consequence of the applied magnetic field cumulative effect. The secretion rhythms of other hormones, at the level of the hypothalamic-hypophyseal axis, might be altered as an effect of those results. This chronobiological change could explain the different findings in the 4 generations of mice subjected to the same experimental model.

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“…Extrapineal melatonin-producing organs, such as the intestine, retina, the Harderian gland, etc., also show sensitivity to ELF magnetic fields (18,19).…”

Section: Introductionmentioning

confidence: 94%

“…As far as murines are concerned, reports that relate carcinogenic processes with electromagnetic fields are still scarce (19,27).…”

Section: Introductionmentioning

confidence: 99%

Inhibition of Melatonin in the Plasma of Third-Generation Male Mice under the Action of ELF Magnetic Fields

Picazo

Catalá

Romo³

et al. 1998

Electro- and Magnetobiology

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“…Furthermore, some of the magnetic responses were wavelength dependent, a fact supporting the chemical hypothesis of magnetoreception. Thus, it is not surprising that this study has been steadily cited in several studies as proof of the existence of magneto-sensitive units in the avian brain (Able 1994 ; Azanza and Del Moral 1994 ; Ahmad et al 2007 ; Brasel et al 2007 ; Burger et al 2010 ; Buttemer and Chappell 2010 ; Bischof et al 2011 ; Begall et al 2013 ; Beason 2005 ; Beason et al 1995 , 1997 ; Bingman et al 1988 ; Cain et al 2005 ; Deutschlander et al 1999 ; Edmonds 1992 , 1993 , 1996 ; Finney 1995 ; Fischer et al 2001 ; Johnsen and Lohmann 2005 ; Jorge and Vicente 2006 ; Keary and Bischof 2012 ; Kobayashi and Kirschvink 1995 ; Leucht 1990 ; Liboff and Jenrow 2000 ; Lohmann and Lohmann 1993 ; Lohmann and Johnsen 2000 ; Mai and Semm 1990 ; McKay and Persinger 2005 ; Mehlhorn and Rehkamper 2009 ; Mouritsen et al 2004 ; Muheim et al 2002 ; Munro et al 1997 ; Nemec et al 2001 , 2005 ; Niessner et al 2011 ; Olcese and Hurlbut 1989 ; Olcese et al 1988a , b ; Partch and Sancar 2005 ; Phillips 1996 ; Phillips and Borland 1992a , b ; Phillips and Borland 1994 ; Phillips et al 2010 ; Phillips and Sayeed 1993 ; Picazo et al 1993 ; Ritz et al 2000 , 2002 ; Rowe 1999 ; Schneider 1995 ; Semm and Beason 1990b ; Shcherbakov and Winklhofer 1999 ; Stehle et al 1988 ; Taube 1998 ; Thoss and Bartsch...…”

Section: Introductionmentioning

confidence: 99%

Extracellular recordings reveal absence of magneto sensitive units in the avian optic tectum

et al. 2014

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There is a consensus that birds detect the earth’s magnetic field and use some of its features for orientation and homing purposes. Since the late 1960s, when the first solid behavioral evidence of magnetoreception was obtained, much research has been devoted to describing the ethological aspects of this behavior. The neurophysiological basis of magnetoreception has been much less studied, although a frequently cited 1986 report described a high prevalence (70 %) of magneto-sensitive neurons in the pigeon optic tectum with high signal-to-noise ratios (Semm and Demaine, J Comp Physiol A 159:619–625, 1986). Here, we repeated these neurophysiological experiments using anesthetized as well as awake pigeons and new recording techniques. Our data indicate that magneto-sensitive units do not exist in the avian tectum.

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Cell membrane biochemistry and neurobiological approach to biomagnetism

Azanza

Moral

1994

Progress in Neurobiology

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Histopathology of the Harderian gland of rodents exposed to ELF magnetic fields

Cited by 6 publications

References 5 publications

Inhibition of Melatonin in the Plasma of Third-Generation Male Mice under the Action of ELF Magnetic Fields

Inhibition of Melatonin in the Plasma of Third-Generation Male Mice under the Action of ELF Magnetic Fields

Extracellular recordings reveal absence of magneto sensitive units in the avian optic tectum

Cell membrane biochemistry and neurobiological approach to biomagnetism

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