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'''Cytochrome P450 4F8''' is a [[protein]] that in humans is encoded by the ''CYP4F8'' [[gene]].<ref name="pmid10405341">{{cite journal | vauthors = Bylund J, Finnström N, Oliw EH | title = Gene expression of a novel cytochrome P450 of the CYP4F subfamily in human seminal vesicles | journal = Biochemical and Biophysical Research Communications | volume = 261 | issue = 1 | pages = 169–74 | date = July 1999 | pmid = 10405341 | pmc =  | doi = 10.1006/bbrc.1999.1011 }}</ref><ref name="entrez">{{cite web | title = Entrez Gene: CYP4F8 cytochrome P450, family 4, subfamily F, polypeptide 8| url = https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=11283| accessdate = }}</ref>


== Function ==
This gene, CYP4F8, encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. This protein localizes to the endoplasmic reticulum and functions as a 19-hydroxylase of the [[arachidonic acid]] metabolite, [[prostaglandin H2]] (PGH2) and the [[Dihomo-γ-linolenic acid]] metabolite PGH1 in [[seminal vesicles]]. This gene is part of a cluster of cytochrome P450 genes on chromosome 19. Another member of this family, CYP4F3, is approximately 18 kb away.<ref name="entrez"/> In addition to seminal vesicles, CYP4F8 is expressed in kidney, prostate, epidermis, and corneal epithelium, and its [[mRNA]] has been found in retina; CYP4F8 is also greatly up-regulated in [[psoriatic]] skin.<ref>{{cite journal | pmid = 16112640 | year = 2005 | author1 = Stark | first1 = K | title = Oxygenation of polyunsaturated long chain fatty acids by recombinant CYP4F8 and CYP4F12 and catalytic importance of Tyr-125 and Gly-328 of CYP4F8 | journal = Archives of Biochemistry and Biophysics | volume = 441 | issue = 2 | pages = 174–81 | last2 = Wongsud | first2 = B | last3 = Burman | first3 = R | last4 = Oliw | first4 = E. H. | doi = 10.1016/j.abb.2005.07.003 }}</ref>


'''Cytochrome P450, family 4, subfamily F, polypeptide 8''', also known as '''CYP4F8''', is a human [[gene]].<ref name="entrez">{{cite web | title = Entrez Gene: CYP4F8 cytochrome P450, family 4, subfamily F, polypeptide 8| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=11283| accessdate = }}</ref>
In addition to its ability to metabolize and presumably thereby to inactivate or reduce the activity of PGH2 and PGH1, CYP4F8 adds [[hydroxyl]] residues to carbons 18 and 19 of [[arachidonic acid]] and [[Dihomo-γ-linolenic acid]],<ref name = "Johnson_2015">{{cite journal | vauthors = Johnson AL, Edson KZ, Totah RA, Rettie AE | title = Cytochrome P450 ω-Hydroxylases in Inflammation and Cancer | journal = Advances in Pharmacology | volume = 74 | pages = 223–62 | date = 2015 | pmid = 26233909 | pmc = 4667791 | doi = 10.1016/bs.apha.2015.05.002 | series = Advances in Pharmacology | isbn = 9780128031193 }}</ref> CYP458 possesses [[epoxygenase]] activity in that it metabolizes the [[omega-3 fatty acid]]s, [[docosahexaenoic acid]] (DHA) and [[eicosapentaenoic acid]], (EPA) to their corresponding [[epoxide]]s, the [[epoxydocosapentaenoic acid]]s (EDPs) and [[epoxyeicosatetraenoic acid]]s (EEQs), respectively.<ref name = "Westphal_2011">{{cite journal | vauthors = Westphal C, Konkel A, Schunck WH | title = CYP-eicosanoids--a new link between omega-3 fatty acids and cardiac disease? | journal = Prostaglandins & Other Lipid Mediators | volume = 96 | issue = 1–4 | pages = 99–108 | date = November 2011 | pmid = 21945326 | doi = 10.1016/j.prostaglandins.2011.09.001 }}</ref> The enzyme metabolizes DHA primarily to 19''R'',20''S''-epoxyeicosapentaenoic acid and 19''S'',20''R''-epoxyeicosapentaenoic acid isomers (termed 19,20-EDP) and EPA primarily to 17''R'',18''S''-eicosatetraenic acid and 17''S'',18''R''-eicosatetraenic acid isomers (termed 17,18-EEQ).<ref name = "Westphal_2011"/> 19-HETE is an inhibitor of 20-HETE, a broadly active signaling molecule which acts to onstrict [[arteriole]]s, elevate blood pressure, promote [[inflammation]] responses, and stimulats the growth of various types of tumor cells; however the in vivo ability and significance of 19-HETE in inhibiting 20-HETE has not been demonstrated (see [[20-Hydroxyeicosatetraenoic acid]]). The EDPs (see [[Epoxydocosapentaenoic acid]]) and EEQs (see [[epoxyeicosatetraenoic acid]]) have a broad range of activities. In various animal models and in vitro studies on animal and human tissues, they decrease hypertension and pain perception; suppress inflammation; inhibit [[angiogenesis]], endothelial cell migration and endothelial cell proliferation; and inhibit the growth and metastasis of human breast and prostate cancer cell lines.<ref name = "Fleming_2014">{{cite journal | vauthors = Fleming I | title = The pharmacology of the cytochrome P450 epoxygenase/soluble epoxide hydrolase axis in the vasculature and cardiovascular disease | journal = Pharmacological Reviews | volume = 66 | issue = 4 | pages = 1106–40 | date = October 2014 | pmid = 25244930 | doi = 10.1124/pr.113.007781 }}</ref><ref>{{cite journal | vauthors = Zhang G, Kodani S, Hammock BD | title = Stabilized epoxygenated fatty acids regulate inflammation, pain, angiogenesis and cancer | journal = Progress in Lipid Research | volume = 53 | pages = 108–23 | date = January 2014 | pmid = 24345640 | pmc = 3914417 | doi = 10.1016/j.plipres.2013.11.003 }}</ref><ref>{{cite journal | vauthors = He J, Wang C, Zhu Y, Ai D | title = Soluble epoxide hydrolase: A potential target for metabolic diseases | journal = Journal of Diabetes | volume = 8 | issue = 3 | pages = 305–13 | date = December 2015 | pmid = 26621325 | doi = 10.1111/1753-0407.12358 }}</ref><ref name = "Wagner_2014">{{cite journal | vauthors = Wagner K, Vito S, Inceoglu B, Hammock BD | title = The role of long chain fatty acids and their epoxide metabolites in nociceptive signaling | journal = Prostaglandins & Other Lipid Mediators | volume = 113-115 | pages = 2–12 | date = October 2014 | pmid = 25240260 | pmc = 4254344 | doi = 10.1016/j.prostaglandins.2014.09.001 }}</ref> It is suggested that the EDP and EEQ metabolites function in humans as they do in animal models and that, as products of the [[omega-3 fatty acid]]s, DHA acid and EPA, the EDP and EEQ metabolites contribute to many of the beneficial effects attributed to dietary omega-3 fatty acids.<ref name = "Fleming_2014"/><ref name = "Wagner_2014"/><ref>{{cite journal | vauthors = Fischer R, Konkel A, Mehling H, Blossey K, Gapelyuk A, Wessel N, von Schacky C, Dechend R, Muller DN, Rothe M, Luft FC, Weylandt K, Schunck WH | title = Dietary omega-3 fatty acids modulate the eicosanoid profile in man primarily via the CYP-epoxygenase pathway | journal = Journal of Lipid Research | volume = 55 | issue = 6 | pages = 1150–1164 | date = March 2014 | pmid = 24634501 | pmc = 4031946 | doi = 10.1194/jlr.M047357 }}</ref> EDP and EEQ metabolites are short-lived, being inactivated within seconds or minutes of formation by [[epoxide hydrolase]]s, particularly [[soluble epoxide hydrolase]], and therefore act locally.


<!-- The PBB_Summary template is automatically maintained by Protein Box Bot. See Template:PBB_Controls to Stop updates. -->
CYP4F8 has little activity in omega-hydroxylating [[leukotriene B4]], [[prostaglandin D2]], [[prostaglandin E2]], [[prostaglandin E1]], or [[prostaglandin F2]].<ref>{{cite journal | pmid = 18433732 | year = 2008 | author1 = Hardwick | first1 = J. P. | title = Cytochrome P450 omega hydroxylase (CYP4) function in fatty acid metabolism and metabolic diseases | journal = Biochemical Pharmacology | volume = 75 | issue = 12 | pages = 2263–75 | doi = 10.1016/j.bcp.2008.03.004 }}</ref>
{{PBB_Summary
| section_title =  
| summary_text = This gene, CYP4F8, encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. This protein localizes to the endoplasmic reticulum and functions as a 19-hydroxylase of prostaglandins in seminal vesicles. This gene is part of a cluster of cytochrome P450 genes on chromosome 19. Another member of this family, CYP4F3, is approximately 18 kb away.<ref name="entrez">{{cite web | title = Entrez Gene: CYP4F8 cytochrome P450, family 4, subfamily F, polypeptide 8| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=11283| accessdate = }}</ref>
}}


==References==
The fatty acid metabolizing activity, including the ability to form epoxides, of CYP4F8 is very similar to that of [[CYP4F12]].  However, it and CYP4F12 are not regarded as being major contributors in forming the cited epoxides in humans although they might do so in tissues where they are highly expressed.<ref name = "Johnson_2015"/>
{{reflist|2}}
==Further reading==
{{refbegin | 2}}
{{PBB_Further_reading
| citations =
*{{cite journal  | author=Simpson AE |title=The cytochrome P450 4 (CYP4) family. |journal=Gen. Pharmacol. |volume=28 |issue= 3 |pages= 351–9 |year= 1997 |pmid= 9068972 |doi=  }}
*{{cite journal  | author=Bylund J, Finnström N, Oliw EH |title=Gene expression of a novel cytochrome P450 of the CYP4F subfamily in human seminal vesicles. |journal=Biochem. Biophys. Res. Commun. |volume=261 |issue= 1 |pages= 169–74 |year= 1999 |pmid= 10405341 |doi= 10.1006/bbrc.1999.1011 }}
*{{cite journal  | author=Bylund J, Hidestrand M, Ingelman-Sundberg M, Oliw EH |title=Identification of CYP4F8 in human seminal vesicles as a prominent 19-hydroxylase of prostaglandin endoperoxides. |journal=J. Biol. Chem. |volume=275 |issue= 29 |pages= 21844–9 |year= 2000 |pmid= 10791960 |doi= 10.1074/jbc.M001712200 }}
*{{cite journal | author=Oliw EH, Stark K, Bylund J |title=Oxidation of prostaglandin H(2) and prostaglandin H(2) analogues by human cytochromes P450: analysis of omega-side chain hydroxy metabolites and four steroisomers of 5-hydroxyprostaglandin I(1) by mass spectrometry. |journal=Biochem. Pharmacol. |volume=62 |issue= 4 |pages= 407–15 |year= 2001 |pmid= 11448449 |doi=  }}
*{{cite journal  | author=Stark K, Törmä H, Cristea M, Oliw EH |title=Expression of CYP4F8 (prostaglandin H 19-hydroxylase) in human epithelia and prominent induction in epidermis of psoriatic lesions. |journal=Arch. Biochem. Biophys. |volume=409 |issue= 1 |pages= 188–96 |year= 2003 |pmid= 12464258 |doi=  }}
*{{cite journal  | author=Ota T, Suzuki Y, Nishikawa T, ''et al.'' |title=Complete sequencing and characterization of 21,243 full-length human cDNAs. |journal=Nat. Genet. |volume=36 |issue= 1 |pages= 40–5 |year= 2004 |pmid= 14702039 |doi= 10.1038/ng1285 }}
*{{cite journal  | author=Stark K, Bylund J, Törmä H, ''et al.'' |title=On the mechanism of biosynthesis of 19-hydroxyprostaglandins of human seminal fluid and expression of cyclooxygenase-2, PGH 19-hydroxylase (CYP4F8) and microsomal PGE synthase-1 in seminal vesicles and vas deferens. |journal=Prostaglandins Other Lipid Mediat. |volume=75 |issue= 1-4 |pages= 47–64 |year= 2005 |pmid= 15789615 |doi=  }}
*{{cite journal  | author=Stark K, Wongsud B, Burman R, Oliw EH |title=Oxygenation of polyunsaturated long chain fatty acids by recombinant CYP4F8 and CYP4F12 and catalytic importance of Tyr-125 and Gly-328 of CYP4F8. |journal=Arch. Biochem. Biophys. |volume=441 |issue= 2 |pages= 174–81 |year= 2005 |pmid= 16112640 |doi= 10.1016/j.abb.2005.07.003 }}
*{{cite journal  | author=Kimura K, Wakamatsu A, Suzuki Y, ''et al.'' |title=Diversification of transcriptional modulation: large-scale identification and characterization of putative alternative promoters of human genes. |journal=Genome Res. |volume=16 |issue= 1 |pages= 55–65 |year= 2006 |pmid= 16344560 |doi= 10.1101/gr.4039406 }}
*{{cite journal  | author=Ewing RM, Chu P, Elisma F, ''et al.'' |title=Large-scale mapping of human protein-protein interactions by mass spectrometry. |journal=Mol. Syst. Biol. |volume=3 |issue=  |pages= 89 |year= 2007 |pmid= 17353931 |doi= 10.1038/msb4100134 }}
}}
{{refend}}


== References ==
{{reflist|33em}}


== Further reading ==
{{refbegin|33em}}
* {{cite journal | vauthors = Simpson AE | title = The cytochrome P450 4 (CYP4) family | journal = General Pharmacology | volume = 28 | issue = 3 | pages = 351–9 | date = March 1997 | pmid = 9068972 | doi = 10.1016/S0306-3623(96)00246-7 }}
* {{cite journal | vauthors = Bylund J, Hidestrand M, Ingelman-Sundberg M, Oliw EH | title = Identification of CYP4F8 in human seminal vesicles as a prominent 19-hydroxylase of prostaglandin endoperoxides | journal = The Journal of Biological Chemistry | volume = 275 | issue = 29 | pages = 21844–9 | date = July 2000 | pmid = 10791960 | doi = 10.1074/jbc.M001712200 }}
* {{cite journal | vauthors = Oliw EH, Stark K, Bylund J | title = Oxidation of prostaglandin H(2) and prostaglandin H(2) analogues by human cytochromes P450: analysis of omega-side chain hydroxy metabolites and four steroisomers of 5-hydroxyprostaglandin I(1) by mass spectrometry | journal = Biochemical Pharmacology | volume = 62 | issue = 4 | pages = 407–15 | date = August 2001 | pmid = 11448449 | doi = 10.1016/S0006-2952(01)00683-9 }}
* {{cite journal | vauthors = Stark K, Törmä H, Cristea M, Oliw EH | title = Expression of CYP4F8 (prostaglandin H 19-hydroxylase) in human epithelia and prominent induction in epidermis of psoriatic lesions | journal = Archives of Biochemistry and Biophysics | volume = 409 | issue = 1 | pages = 188–96 | date = January 2003 | pmid = 12464258 | doi = 10.1016/S0003-9861(02)00511-8 }}
* {{cite journal | vauthors = Stark K, Bylund J, Törmä H, Sahlén G, Oliw EH | title = On the mechanism of biosynthesis of 19-hydroxyprostaglandins of human seminal fluid and expression of cyclooxygenase-2, PGH 19-hydroxylase (CYP4F8) and microsomal PGE synthase-1 in seminal vesicles and vas deferens | journal = Prostaglandins & Other Lipid Mediators | volume = 75 | issue = 1–4 | pages = 47–64 | date = January 2005 | pmid = 15789615 | doi = 10.1016/j.prostaglandins.2004.09.014 }}
* {{cite journal | vauthors = Stark K, Wongsud B, Burman R, Oliw EH | title = Oxygenation of polyunsaturated long chain fatty acids by recombinant CYP4F8 and CYP4F12 and catalytic importance of Tyr-125 and Gly-328 of CYP4F8 | journal = Archives of Biochemistry and Biophysics | volume = 441 | issue = 2 | pages = 174–81 | date = September 2005 | pmid = 16112640 | doi = 10.1016/j.abb.2005.07.003 }}
{{refend}}


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{{Cytochrome P450}}
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Latest revision as of 03:50, 27 October 2017

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Orthologs
SpeciesHumanMouse
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Cytochrome P450 4F8 is a protein that in humans is encoded by the CYP4F8 gene.[1][2]

Function

This gene, CYP4F8, encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. This protein localizes to the endoplasmic reticulum and functions as a 19-hydroxylase of the arachidonic acid metabolite, prostaglandin H2 (PGH2) and the Dihomo-γ-linolenic acid metabolite PGH1 in seminal vesicles. This gene is part of a cluster of cytochrome P450 genes on chromosome 19. Another member of this family, CYP4F3, is approximately 18 kb away.[2] In addition to seminal vesicles, CYP4F8 is expressed in kidney, prostate, epidermis, and corneal epithelium, and its mRNA has been found in retina; CYP4F8 is also greatly up-regulated in psoriatic skin.[3]

In addition to its ability to metabolize and presumably thereby to inactivate or reduce the activity of PGH2 and PGH1, CYP4F8 adds hydroxyl residues to carbons 18 and 19 of arachidonic acid and Dihomo-γ-linolenic acid,[4] CYP458 possesses epoxygenase activity in that it metabolizes the omega-3 fatty acids, docosahexaenoic acid (DHA) and eicosapentaenoic acid, (EPA) to their corresponding epoxides, the epoxydocosapentaenoic acids (EDPs) and epoxyeicosatetraenoic acids (EEQs), respectively.[5] The enzyme metabolizes DHA primarily to 19R,20S-epoxyeicosapentaenoic acid and 19S,20R-epoxyeicosapentaenoic acid isomers (termed 19,20-EDP) and EPA primarily to 17R,18S-eicosatetraenic acid and 17S,18R-eicosatetraenic acid isomers (termed 17,18-EEQ).[5] 19-HETE is an inhibitor of 20-HETE, a broadly active signaling molecule which acts to onstrict arterioles, elevate blood pressure, promote inflammation responses, and stimulats the growth of various types of tumor cells; however the in vivo ability and significance of 19-HETE in inhibiting 20-HETE has not been demonstrated (see 20-Hydroxyeicosatetraenoic acid). The EDPs (see Epoxydocosapentaenoic acid) and EEQs (see epoxyeicosatetraenoic acid) have a broad range of activities. In various animal models and in vitro studies on animal and human tissues, they decrease hypertension and pain perception; suppress inflammation; inhibit angiogenesis, endothelial cell migration and endothelial cell proliferation; and inhibit the growth and metastasis of human breast and prostate cancer cell lines.[6][7][8][9] It is suggested that the EDP and EEQ metabolites function in humans as they do in animal models and that, as products of the omega-3 fatty acids, DHA acid and EPA, the EDP and EEQ metabolites contribute to many of the beneficial effects attributed to dietary omega-3 fatty acids.[6][9][10] EDP and EEQ metabolites are short-lived, being inactivated within seconds or minutes of formation by epoxide hydrolases, particularly soluble epoxide hydrolase, and therefore act locally.

CYP4F8 has little activity in omega-hydroxylating leukotriene B4, prostaglandin D2, prostaglandin E2, prostaglandin E1, or prostaglandin F2.[11]

The fatty acid metabolizing activity, including the ability to form epoxides, of CYP4F8 is very similar to that of CYP4F12. However, it and CYP4F12 are not regarded as being major contributors in forming the cited epoxides in humans although they might do so in tissues where they are highly expressed.[4]

References

  1. ↑ Bylund J, Finnström N, Oliw EH (July 1999). "Gene expression of a novel cytochrome P450 of the CYP4F subfamily in human seminal vesicles". Biochemical and Biophysical Research Communications. 261 (1): 169–74. doi:10.1006/bbrc.1999.1011. PMID 10405341.
  2. ↑ 2.0 2.1 "Entrez Gene: CYP4F8 cytochrome P450, family 4, subfamily F, polypeptide 8".
  3. ↑ Stark, K; Wongsud, B; Burman, R; Oliw, E. H. (2005). "Oxygenation of polyunsaturated long chain fatty acids by recombinant CYP4F8 and CYP4F12 and catalytic importance of Tyr-125 and Gly-328 of CYP4F8". Archives of Biochemistry and Biophysics. 441 (2): 174–81. doi:10.1016/j.abb.2005.07.003. PMID 16112640.
  4. ↑ 4.0 4.1 Johnson AL, Edson KZ, Totah RA, Rettie AE (2015). "Cytochrome P450 ω-Hydroxylases in Inflammation and Cancer". Advances in Pharmacology. Advances in Pharmacology. 74: 223–62. doi:10.1016/bs.apha.2015.05.002. ISBN 9780128031193. PMC 4667791. PMID 26233909.
  5. ↑ 5.0 5.1 Westphal C, Konkel A, Schunck WH (November 2011). "CYP-eicosanoids--a new link between omega-3 fatty acids and cardiac disease?". Prostaglandins & Other Lipid Mediators. 96 (1–4): 99–108. doi:10.1016/j.prostaglandins.2011.09.001. PMID 21945326.
  6. ↑ 6.0 6.1 Fleming I (October 2014). "The pharmacology of the cytochrome P450 epoxygenase/soluble epoxide hydrolase axis in the vasculature and cardiovascular disease". Pharmacological Reviews. 66 (4): 1106–40. doi:10.1124/pr.113.007781. PMID 25244930.
  7. ↑ Zhang G, Kodani S, Hammock BD (January 2014). "Stabilized epoxygenated fatty acids regulate inflammation, pain, angiogenesis and cancer". Progress in Lipid Research. 53: 108–23. doi:10.1016/j.plipres.2013.11.003. PMC 3914417. PMID 24345640.
  8. ↑ He J, Wang C, Zhu Y, Ai D (December 2015). "Soluble epoxide hydrolase: A potential target for metabolic diseases". Journal of Diabetes. 8 (3): 305–13. doi:10.1111/1753-0407.12358. PMID 26621325.
  9. ↑ 9.0 9.1 Wagner K, Vito S, Inceoglu B, Hammock BD (October 2014). "The role of long chain fatty acids and their epoxide metabolites in nociceptive signaling". Prostaglandins & Other Lipid Mediators. 113-115: 2–12. doi:10.1016/j.prostaglandins.2014.09.001. PMC 4254344. PMID 25240260.
  10. ↑ Fischer R, Konkel A, Mehling H, Blossey K, Gapelyuk A, Wessel N, von Schacky C, Dechend R, Muller DN, Rothe M, Luft FC, Weylandt K, Schunck WH (March 2014). "Dietary omega-3 fatty acids modulate the eicosanoid profile in man primarily via the CYP-epoxygenase pathway". Journal of Lipid Research. 55 (6): 1150–1164. doi:10.1194/jlr.M047357. PMC 4031946. PMID 24634501.
  11. ↑ Hardwick, J. P. (2008). "Cytochrome P450 omega hydroxylase (CYP4) function in fatty acid metabolism and metabolic diseases". Biochemical Pharmacology. 75 (12): 2263–75. doi:10.1016/j.bcp.2008.03.004. PMID 18433732.

Further reading

  • Simpson AE (March 1997). "The cytochrome P450 4 (CYP4) family". General Pharmacology. 28 (3): 351–9. doi:10.1016/S0306-3623(96)00246-7. PMID 9068972.
  • Bylund J, Hidestrand M, Ingelman-Sundberg M, Oliw EH (July 2000). "Identification of CYP4F8 in human seminal vesicles as a prominent 19-hydroxylase of prostaglandin endoperoxides". The Journal of Biological Chemistry. 275 (29): 21844–9. doi:10.1074/jbc.M001712200. PMID 10791960.
  • Oliw EH, Stark K, Bylund J (August 2001). "Oxidation of prostaglandin H(2) and prostaglandin H(2) analogues by human cytochromes P450: analysis of omega-side chain hydroxy metabolites and four steroisomers of 5-hydroxyprostaglandin I(1) by mass spectrometry". Biochemical Pharmacology. 62 (4): 407–15. doi:10.1016/S0006-2952(01)00683-9. PMID 11448449.
  • Stark K, Törmä H, Cristea M, Oliw EH (January 2003). "Expression of CYP4F8 (prostaglandin H 19-hydroxylase) in human epithelia and prominent induction in epidermis of psoriatic lesions". Archives of Biochemistry and Biophysics. 409 (1): 188–96. doi:10.1016/S0003-9861(02)00511-8. PMID 12464258.
  • Stark K, Bylund J, Törmä H, Sahlén G, Oliw EH (January 2005). "On the mechanism of biosynthesis of 19-hydroxyprostaglandins of human seminal fluid and expression of cyclooxygenase-2, PGH 19-hydroxylase (CYP4F8) and microsomal PGE synthase-1 in seminal vesicles and vas deferens". Prostaglandins & Other Lipid Mediators. 75 (1–4): 47–64. doi:10.1016/j.prostaglandins.2004.09.014. PMID 15789615.
  • Stark K, Wongsud B, Burman R, Oliw EH (September 2005). "Oxygenation of polyunsaturated long chain fatty acids by recombinant CYP4F8 and CYP4F12 and catalytic importance of Tyr-125 and Gly-328 of CYP4F8". Archives of Biochemistry and Biophysics. 441 (2): 174–81. doi:10.1016/j.abb.2005.07.003. PMID 16112640.


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