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. 2022 Sep 20;29(1):126–154. doi: 10.1093/humupd/dmac032

Table I.

The expression of defensins in the human reproductive tracts.

Gene symbols Female reproductive tract Male reproductive tract
Expression site Detected molecule Reference Expression site Detected molecule Reference
DEFA1–3 (HNP1–3) Vaginal fluid Protein (Svinarich et al., 1997; Hein et al., 2002; Akinbi et al., 2004; Das et al., 2007, 2008; Lucovnik et al., 2011) Testis mRNA (Com et al., 2003)
Cervical mucus Protein
Endometrium Protein
Follicular fluid Protein
Amniotic fluid Protein Spermatozoa mRNA
Amnion mRNA
Chorion mRNA
Decidua mRNA
DEFA4 (HNP4) Not reported Not reported
DEFA5 (HD5) Vagina Protein and mRNA (Quayle et al., 1998) Testis mRNA (Com et al., 2003)
Cervix Protein and mRNA
Endometrium Protein and mRNA
Fallopian tube Protein and mRNA Spermatozoa mRNA
Cervicovaginal lavages Protein
DEFA6 (HD6) Vagina mRNA (Fichorova et al., 1997; Klotman et al., 2008) Testis mRNA (Com et al., 2003)
Ectocervix mRNA
Endocervix mRNA
Gene symbols Female reproductive tract Male reproductive tract
Expression site Detected molecule Reference Expression site Detected molecule Reference
DEFB1 (HBD1) Amnion epithelium Protein (Zhao et al., 1996; Hein et al., 2002; King et al., 2002, 2007a,b; Erhart et al., 2011; Noda-Nicolau et al., 2017) Semen Protein (Zhao et al., 1996; Com et al., 2003; Zupin et al., 2019a)
Chorion trophoblast Protein
Decidua Protein Testis Protein and mRNA
Placental syncytiotrophoblast Protein
Vagina Protein and mRNA Spermatozoa Protein and mRNA
Cervicovaginal fluid Protein
DEFB1 (HBD1) Amniotic fluid Protein (King et al., 2002; Varrey et al., 2018) Prostate glands Protein and mRNA (Hong et al., 2017)
Endometrium mRNA
Placenta mRNA
DEFB2 (HBD2) Amnion epithelium Protein (King et al., 2002; Soto et al., 2007; King et al., 2007a,b; Erhart et al., 2011; Noda-Nicolau et al., 2017) Not reported
Chorion trophoblast Protein
Decidua Protein
Placental syncytiotrophoblast Protein
Amniotic fluid Protein
Vagina Protein and mRNA
Cervicovaginal fluid Protein
Endometrium mRNA
Genes (and proteins) Female reproductive tract Male reproductive tract
Expression site Detected molecule Reference Expression site Detected molecule Reference
DEFB3 (HBD3,DEFB103A) Amnion epithelium and mesenchyme Protein (King et al., 2002, 2003a,b, 2007a,b; Erhart et al., 2011; Noda-Nicolau et al., 2017; Para et al., 2020) Not reported
Amniotic fluid Protein
Chorion trophoblast Protein
Decidua Protein
Placental syncytiotrophoblast Protein
Vagina Protein and mRNA
Cervicovaginal fluid Protein
Endometrium mRNA
DEFB4 (HBD4,DEFB104A) Chorioamniotic membranes mRNA (King et al., 2003a,b; Polettini et al., 2011) Epididymis mRNA (Lehrer and Ganz, 2002; Yamaguchi et al., 2002)
Endometrium mRNA Testis mRNA
DEFB5 (DEFB105A, DEFB105B) Not reported Testis mRNA (Yamaguchi et al., 2002; Semple et al., 2003)
Epididymis mRNA
DEFB106 (DEFB106A, DEFB-6) Not reported Testis mRNA (Yamaguchi et al., 2002; Semple et al., 2003; Xin et al., 2014)
Epididymis Protein and mRNA
DEFB107 (DEFB107A) Not reported Testis mRNA (Semple et al., 2003)
Gene symbols Female reproductive tract Male reproductive tract
Expression site Detected molecule Reference Expression site Detected molecule Reference
DEFB108 (DEFB108A/B/C) Not reported Testis mRNA (Semple et al., 2003)
DEFB109 (DEFB109B/C) Not reported Testis mRNA (Schutte et al., 2002; Patil et al., 2005)
Prostate mRNA
DEFB114 Not reported Epididymis Protein and mRNA (Yu et al., 2013)
DEFB118 Not reported Sperm Protein (Yenugu et al., 2004)
DEFB119 (DEFB120) Not reported Testis mRNA (Radhakrishnan et al., 2005)
Epididymis mRNA
DEFB121 Not reported Testis mRNA (Radhakrishnan et al., 2005)
Epididymis mRNA
DEFB123 Not reported Testis mRNA (Radhakrishnan et al., 2005)
Epididymis mRNA
DEFB124 Not reported Prostate epithelia Protein and mRNA (Kim et al., 2014)
Epididymis mRNA
DEFB125–128 (DEFB25–28) Not reported Testis mRNA (Rodríguez-Jiménez et al., 2003)
Epididymis mRNA
DEFB129 Not reported Testis mRNA (Rodríguez-Jiménez et al., 2003; Dubé et al., 2008)
Not reported Epididymis Protein and mRNA
DEFB131 Not reported Prostate epithelia Protein and mRNA (Kim et al., 2015)
DEFB132 Not reported Epididymis Protein (Lin et al., 2008)
Not reported Sperm Protein
Gene symbols β-defensin mRNAs detected in the transcriptome analysis but not reported in the published articles on reproductive tracts
Expression site Detected molecule Reference
DEFB110 Not reported (Schutte et al., 2002)
DEFB111-112 Gingival tissues and keratinocytes mRNA (Schutte et al., 2002; Premratanachai et al., 2004)
DEFB113 Not reported (Schutte et al., 2002)
DEFB115-117 Not reported (Schutte et al., 2002)
DEFB122 Not reported (Schutte et al., 2002)
DEFB130 Not reported (Schutte et al., 2002)
DEFB133 Not reported (Schutte et al., 2002)